1013601144 has 32 divisors (see below), whose sum is σ = 2534976000. Its totient is φ = 337737312.

The previous prime is 1013601119. The next prime is 1013601157. The reversal of 1013601144 is 4411063101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013601144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71737 + ... + 84695.

It is an arithmetic number, because the mean of its divisors is an integer number (79218000).

Almost surely, 2^1013601144 is an apocalyptic number.

It is an amenable number.

1013601144 is an abundant number, since it is smaller than the sum of its proper divisors (1521374856).

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

1013601144 is a wasteful number, since it uses less digits than its factorization.

1013601144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16227 (or 16223 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1013601144 is about 31837.1032601900. The cubic root of 1013601144 is about 1004.5133140178.

Adding to 1013601144 its reverse (4411063101), we get a palindrome (5424664245).

The spelling of 1013601144 in words is "one billion, thirteen million, six hundred one thousand, one hundred forty-four".