1081612026 has 24 divisors (see below), whose sum is σ = 2556537984. Its totient is φ = 327761160.

The previous prime is 1081611997. The next prime is 1081612039. The reversal of 1081612026 is 6202161801.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2731146 + ... + 2731541.

It is an arithmetic number, because the mean of its divisors is an integer number (106522416).

Almost surely, 2^1081612026 is an apocalyptic number.

1081612026 is an abundant number, since it is smaller than the sum of its proper divisors (1474925958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081612026 is a wasteful number, since it uses less digits than its factorization.

1081612026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462706 (or 5462703 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1081612026 is about 32887.8704996234. The cubic root of 1081612026 is about 1026.4957819584.

Adding to 1081612026 its reverse (6202161801), we get a palindrome (7283773827).

The spelling of 1081612026 in words is "one billion, eighty-one million, six hundred twelve thousand, twenty-six".