1012631345 has 8 divisors (see below), whose sum is σ = 1325626560. Its totient is φ = 736459120.

The previous prime is 1012631341. The next prime is 1012631351. The reversal of 1012631345 is 5431362101.

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

It is not a de Polignac number, because 1012631345 - 2² = 1012631341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012631341) 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, 9205685 + ... + 9205794.

It is an arithmetic number, because the mean of its divisors is an integer number (165703320).

Almost surely, 2^1012631345 is an apocalyptic number.

It is an amenable number.

1012631345 is a deficient number, since it is larger than the sum of its proper divisors (312995215).

1012631345 is a wasteful number, since it uses less digits than its factorization.

1012631345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18411495.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1012631345 is about 31821.8689740248. The cubic root of 1012631345 is about 1004.1928438240.

Adding to 1012631345 its reverse (5431362101), we get a palindrome (6443993446).

The spelling of 1012631345 in words is "one billion, twelve million, six hundred thirty-one thousand, three hundred forty-five".