1012272631 has 8 divisors (see below), whose sum is σ = 1027651104. Its totient is φ = 996925440.

The previous prime is 1012272607. The next prime is 1012272641. The reversal of 1012272631 is 1362722101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012272631 - 2⁹ = 1012272119 is a prime.

It is a super-2 number, since 2×1012272631² = 2049391758943324322, 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 = 1012272596 and 1012272605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012272641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62071 + ... + 76663.

It is an arithmetic number, because the mean of its divisors is an integer number (128456388).

Almost surely, 2^1012272631 is an apocalyptic number.

1012272631 is a deficient number, since it is larger than the sum of its proper divisors (15378473).

1012272631 is an equidigital number, since it uses as much as digits as its factorization.

1012272631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15641.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1012272631 is about 31816.2321936461. The cubic root of 1012272631 is about 1004.0742549034.

Adding to 1012272631 its reverse (1362722101), we get a palindrome (2374994732).

The spelling of 1012272631 in words is "one billion, twelve million, two hundred seventy-two thousand, six hundred thirty-one".