1371020844 has 12 divisors (see below), whose sum is σ = 3199048664. Its totient is φ = 457006944.

The previous prime is 1371020839. The next prime is 1371020851. The reversal of 1371020844 is 4480201731.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57125857 + ... + 57125880.

Almost surely, 2^1371020844 is an apocalyptic number.

It is an amenable number.

1371020844 is an abundant number, since it is smaller than the sum of its proper divisors (1828027820).

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

1371020844 is a wasteful number, since it uses less digits than its factorization.

1371020844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114251744 (or 114251742 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1371020844 is about 37027.2986322254. The cubic root of 1371020844 is about 1110.9163344786.

The spelling of 1371020844 in words is "one billion, three hundred seventy-one million, twenty thousand, eight hundred forty-four".