1349072401 has 4 divisors (see below), whose sum is σ = 1371188404. Its totient is φ = 1326956400.

The previous prime is 1349072363. The next prime is 1349072449. The reversal of 1349072401 is 1042709431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 364619025 + 984453376 = 19095^2 + 31376^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349072401 - 2⁷ = 1349072273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349072471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11057910 + ... + 11058031.

It is an arithmetic number, because the mean of its divisors is an integer number (342797101).

Almost surely, 2^1349072401 is an apocalyptic number.

It is an amenable number.

1349072401 is a deficient number, since it is larger than the sum of its proper divisors (22116003).

1349072401 is an equidigital number, since it uses as much as digits as its factorization.

1349072401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22116002.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1349072401 is about 36729.7209491169. The cubic root of 1349072401 is about 1104.9562579683.

The spelling of 1349072401 in words is "one billion, three hundred forty-nine million, seventy-two thousand, four hundred one".