1382997120 has 64 divisors (see below), whose sum is σ = 4408309440. Its totient is φ = 368798720.

The previous prime is 1382997067. The next prime is 1382997127. The reversal of 1382997120 is 217992831.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1382997127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358236 + ... + 362075.

It is an arithmetic number, because the mean of its divisors is an integer number (68879835).

Almost surely, 2^1382997120 is an apocalyptic number.

1382997120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1382997120 is an abundant number, since it is smaller than the sum of its proper divisors (3025312320).

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

1382997120 is an equidigital number, since it uses as much as digits as its factorization.

1382997120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720333 (or 720321 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1382997120 is about 37188.6692421227. The cubic root of 1382997120 is about 1114.1416896598.

The spelling of 1382997120 in words is "one billion, three hundred eighty-two million, nine hundred ninety-seven thousand, one hundred twenty".