1230472631 has 4 divisors (see below), whose sum is σ = 1302853392. Its totient is φ = 1158091872.

The previous prime is 1230472613. The next prime is 1230472673. The reversal of 1230472631 is 1362740321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1362740321 = 89 ⋅15311689.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230472631 is a prime.

It is a super-2 number, since 2×1230472631² = 3028125791280124322, 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 = 1230472594 and 1230472603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230472601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36190355 + ... + 36190388.

It is an arithmetic number, because the mean of its divisors is an integer number (325713348).

Almost surely, 2^1230472631 is an apocalyptic number.

1230472631 is a deficient number, since it is larger than the sum of its proper divisors (72380761).

1230472631 is an equidigital number, since it uses as much as digits as its factorization.

1230472631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72380760.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1230472631 is about 35078.0933204757. The cubic root of 1230472631 is about 1071.5784869025.

The spelling of 1230472631 in words is "one billion, two hundred thirty million, four hundred seventy-two thousand, six hundred thirty-one".