1301797152 has 36 divisors (see below), whose sum is σ = 3701986470. Its totient is φ = 433932288.

The previous prime is 1301797139. The next prime is 1301797163. The reversal of 1301797152 is 2517971031.

It can be written as a sum of positive squares in only one way, i.e., 1267644816 + 34152336 = 35604^2 + 5844^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1301797152² = 3389351649910622208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2259777 + ... + 2260352.

Almost surely, 2^1301797152 is an apocalyptic number.

1301797152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301797152 is an abundant number, since it is smaller than the sum of its proper divisors (2400189318).

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

1301797152 is a wasteful number, since it uses less digits than its factorization.

1301797152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520145 (or 4520134 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 1301797152 is about 36080.4261615630. The cubic root of 1301797152 is about 1091.8955742835.

The spelling of 1301797152 in words is "one billion, three hundred one million, seven hundred ninety-seven thousand, one hundred fifty-two".