1012357072 has 20 divisors (see below), whose sum is σ = 2076821316. Its totient is φ = 476403200.

The previous prime is 1012357063. The next prime is 1012357153. The reversal of 1012357072 is 2707532101.

It can be written as a sum of positive squares in 2 ways, for example, as 407393856 + 604963216 = 20184^2 + 24596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012357072.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1860679 + ... + 1861222.

Almost surely, 2^1012357072 is an apocalyptic number.

It is an amenable number.

1012357072 is an abundant number, since it is smaller than the sum of its proper divisors (1064464244).

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

1012357072 is a wasteful number, since it uses less digits than its factorization.

1012357072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721926 (or 3721920 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1012357072 is about 31817.5591772845. The cubic root of 1012357072 is about 1004.1021731651.

Adding to 1012357072 its reverse (2707532101), we get a palindrome (3719889173).

The spelling of 1012357072 in words is "one billion, twelve million, three hundred fifty-seven thousand, seventy-two".