1392201552 has 80 divisors (see below), whose sum is σ = 4115486592. Its totient is φ = 397271040.

The previous prime is 1392201541. The next prime is 1392201581. The reversal of 1392201552 is 2551022931.

It is a super-2 number, since 2×1392201552² = 3876450322782417408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326152 + ... + 330392.

Almost surely, 2^1392201552 is an apocalyptic number.

1392201552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392201552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2057743296).

1392201552 is an abundant number, since it is smaller than the sum of its proper divisors (2723285040).

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

1392201552 is a wasteful number, since it uses less digits than its factorization.

1392201552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1392201552 is about 37312.2171949082. The cubic root of 1392201552 is about 1116.6079215055.

The spelling of 1392201552 in words is "one billion, three hundred ninety-two million, two hundred one thousand, five hundred fifty-two".