1379851201 has 4 divisors (see below), whose sum is σ = 1380086100. Its totient is φ = 1379616304.

The previous prime is 1379851181. The next prime is 1379851279. The reversal of 1379851201 is 1021589731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1021589731 = 1123 ⋅909697.

It can be written as a sum of positive squares in 2 ways, for example, as 874680625 + 505170576 = 29575^2 + 22476^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379851201 - 2⁷ = 1379851073 is a prime.

It is a super-2 number, since 2×1379851201² = 3807978673802284802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379851301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 108406 + ... + 120463.

It is an arithmetic number, because the mean of its divisors is an integer number (345021525).

Almost surely, 2^1379851201 is an apocalyptic number.

It is an amenable number.

1379851201 is a deficient number, since it is larger than the sum of its proper divisors (234899).

1379851201 is an equidigital number, since it uses as much as digits as its factorization.

1379851201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234898.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1379851201 is about 37146.3484208071. The cubic root of 1379851201 is about 1113.2962647867.

The spelling of 1379851201 in words is "one billion, three hundred seventy-nine million, eight hundred fifty-one thousand, two hundred one".