1102456531 has 12 divisors (see below), whose sum is σ = 1219247176. Its totient is φ = 996066720.

The previous prime is 1102456499. The next prime is 1102456549. The reversal of 1102456531 is 1356542011.

It is not a de Polignac number, because 1102456531 - 2⁵ = 1102456499 is a prime.

It is a super-2 number, since 2×1102456531² = 2430820805489107922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102456531.

It is not an unprimeable number, because it can be changed into a prime (1102456561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8226 + ... + 47671.

Almost surely, 2^1102456531 is an apocalyptic number.

1102456531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102456531 is a deficient number, since it is larger than the sum of its proper divisors (116790645).

1102456531 is a wasteful number, since it uses less digits than its factorization.

1102456531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56082 (or 56071 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1102456531 is about 33203.2608488986. The cubic root of 1102456531 is about 1033.0479769000.

Adding to 1102456531 its reverse (1356542011), we get a palindrome (2458998542).

The spelling of 1102456531 in words is "one billion, one hundred two million, four hundred fifty-six thousand, five hundred thirty-one".