1012665270 has 32 divisors (see below), whose sum is σ = 2470243680. Its totient is φ = 265616640.

The previous prime is 1012665257. The next prime is 1012665317. The reversal of 1012665270 is 725662101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274855 + ... + 278514.

It is an arithmetic number, because the mean of its divisors is an integer number (77195115).

Almost surely, 2^1012665270 is an apocalyptic number.

1012665270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012665270 is an abundant number, since it is smaller than the sum of its proper divisors (1457578410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012665270 is a wasteful number, since it uses less digits than its factorization.

1012665270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553440.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1012665270 is about 31822.4020149328. The cubic root of 1012665270 is about 1004.2040577971.

The spelling of 1012665270 in words is "one billion, twelve million, six hundred sixty-five thousand, two hundred seventy".