1011120273 has 64 divisors (see below), whose sum is σ = 1645608960. Its totient is φ = 611582400.

The previous prime is 1011120263. The next prime is 1011120277. The reversal of 1011120273 is 3720211101.

It is a happy number.

It is not a de Polignac number, because 1011120273 - 2²¹ = 1009023121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011120277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1019808 + ... + 1020798.

It is an arithmetic number, because the mean of its divisors is an integer number (25712640).

Almost surely, 2^1011120273 is an apocalyptic number.

It is an amenable number.

1011120273 is a deficient number, since it is larger than the sum of its proper divisors (634488687).

1011120273 is a wasteful number, since it uses less digits than its factorization.

1011120273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1011120273 is about 31798.1174442765. The cubic root of 1011120273 is about 1003.6931018751.

Adding to 1011120273 its reverse (3720211101), we get a palindrome (4731331374).

The spelling of 1011120273 in words is "one billion, eleven million, one hundred twenty thousand, two hundred seventy-three".