1395722120 has 32 divisors (see below), whose sum is σ = 3381943320. Its totient is φ = 515343360.

The previous prime is 1395722093. The next prime is 1395722149. The reversal of 1395722120 is 212275931.

It can be written as a sum of positive squares in 4 ways, for example, as 931836676 + 463885444 = 30526^2 + 21538^2 .

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, 1341521 + ... + 1342560.

Almost surely, 2^1395722120 is an apocalyptic number.

1395722120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1395722120 is an abundant number, since it is smaller than the sum of its proper divisors (1986221200).

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

1395722120 is a wasteful number, since it uses less digits than its factorization.

1395722120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684105 (or 2684101 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1395722120 is about 37359.3645556238. The cubic root of 1395722120 is about 1117.5483469149.

The spelling of 1395722120 in words is "one billion, three hundred ninety-five million, seven hundred twenty-two thousand, one hundred twenty".