1102456231 has 4 divisors (see below), whose sum is σ = 1128094792. Its totient is φ = 1076817672.

The previous prime is 1102456213. The next prime is 1102456237. The reversal of 1102456231 is 1326542011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102456231 is a prime.

It is a super-2 number, since 2×1102456231² = 2430819482541450722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102456196 and 1102456205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102456237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12819216 + ... + 12819301.

It is an arithmetic number, because the mean of its divisors is an integer number (282023698).

Almost surely, 2^1102456231 is an apocalyptic number.

1102456231 is a deficient number, since it is larger than the sum of its proper divisors (25638561).

1102456231 is an equidigital number, since it uses as much as digits as its factorization.

1102456231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25638560.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1102456231 is about 33203.2563312697. The cubic root of 1102456231 is about 1033.0478831958.

Adding to 1102456231 its reverse (1326542011), we get a palindrome (2428998242).

The spelling of 1102456231 in words is "one billion, one hundred two million, four hundred fifty-six thousand, two hundred thirty-one".