1072459231 has 4 divisors (see below), whose sum is σ = 1072678264. Its totient is φ = 1072240200.

The previous prime is 1072459177. The next prime is 1072459253. The reversal of 1072459231 is 1329542701.

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-1072459231 is a prime.

It is a super-2 number, since 2×1072459231² = 2300337604314222722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072459831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102000 + ... + 112021.

It is an arithmetic number, because the mean of its divisors is an integer number (268169566).

Almost surely, 2^1072459231 is an apocalyptic number.

1072459231 is a deficient number, since it is larger than the sum of its proper divisors (219033).

1072459231 is an equidigital number, since it uses as much as digits as its factorization.

1072459231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219032.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1072459231 is about 32748.4233360936. The cubic root of 1072459231 is about 1023.5921122143.

The spelling of 1072459231 in words is "one billion, seventy-two million, four hundred fifty-nine thousand, two hundred thirty-one".