1379015252 has 12 divisors (see below), whose sum is σ = 2422454496. Its totient is φ = 686885400.

The previous prime is 1379015249. The next prime is 1379015257. The reversal of 1379015252 is 2525109731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379015257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654374 + ... + 656477.

It is an arithmetic number, because the mean of its divisors is an integer number (201871208).

Almost surely, 2^1379015252 is an apocalyptic number.

It is an amenable number.

1379015252 is a deficient number, since it is larger than the sum of its proper divisors (1043439244).

1379015252 is a wasteful number, since it uses less digits than its factorization.

1379015252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311118 (or 1311116 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 1379015252 is about 37135.0946141248. The cubic root of 1379015252 is about 1113.0713982936.

The spelling of 1379015252 in words is "one billion, three hundred seventy-nine million, fifteen thousand, two hundred fifty-two".