1012572651 has 8 divisors (see below), whose sum is σ = 1360728064. Its totient is φ = 669732840.

The previous prime is 1012572647. The next prime is 1012572679. The reversal of 1012572651 is 1562752101.

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

It is not a de Polignac number, because 1012572651 - 2² = 1012572647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012572551) 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 7 ways as a sum of consecutive naturals, for example, 1328455 + ... + 1329216.

It is an arithmetic number, because the mean of its divisors is an integer number (170091008).

Almost surely, 2^1012572651 is an apocalyptic number.

1012572651 is a deficient number, since it is larger than the sum of its proper divisors (348155413).

1012572651 is a wasteful number, since it uses less digits than its factorization.

1012572651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657801.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1012572651 is about 31820.9467332448. The cubic root of 1012572651 is about 1004.1734418196.

It can be divided in two parts, 101 and 2572651, that added together give a palindrome (2572752).

The spelling of 1012572651 in words is "one billion, twelve million, five hundred seventy-two thousand, six hundred fifty-one".