1012918995 has 48 divisors (see below), whose sum is σ = 1934030592. Its totient is φ = 486319680.

The previous prime is 1012918957. The next prime is 1012918997. The reversal of 1012918995 is 5998192101.

It is not a de Polignac number, because 1012918995 - 2¹² = 1012914899 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1012918995.

It is not an unprimeable number, because it can be changed into a prime (1012918997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41052 + ... + 60918.

It is an arithmetic number, because the mean of its divisors is an integer number (40292304).

Almost surely, 2^1012918995 is an apocalyptic number.

1012918995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1012918995 is a deficient number, since it is larger than the sum of its proper divisors (921111597).

1012918995 is a wasteful number, since it uses less digits than its factorization.

1012918995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19992 (or 19989 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 45.

The square root of 1012918995 is about 31826.3883436371. The cubic root of 1012918995 is about 1004.2879191366.

The spelling of 1012918995 in words is "one billion, twelve million, nine hundred eighteen thousand, nine hundred ninety-five".