1012749582 has 32 divisors (see below), whose sum is σ = 2185223040. Its totient is φ = 311055840.

The previous prime is 1012749581. The next prime is 1012749611. The reversal of 1012749582 is 2859472101.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1012749582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012749581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33169 + ... + 55907.

It is an arithmetic number, because the mean of its divisors is an integer number (68288220).

Almost surely, 2^1012749582 is an apocalyptic number.

1012749582 is an abundant number, since it is smaller than the sum of its proper divisors (1172473458).

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

1012749582 is a wasteful number, since it uses less digits than its factorization.

1012749582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23328.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1012749582 is about 31823.7267145129. The cubic root of 1012749582 is about 1004.2319262038.

The spelling of 1012749582 in words is "one billion, twelve million, seven hundred forty-nine thousand, five hundred eighty-two".