1376172001 has 4 divisors (see below), whose sum is σ = 1376564400. Its totient is φ = 1375779604.

The previous prime is 1376171941. The next prime is 1376172013. The reversal of 1376172001 is 1002716731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1376172001 - 2¹¹ = 1376169953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1376172701) 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, 190891 + ... + 197968.

It is an arithmetic number, because the mean of its divisors is an integer number (344141100).

Almost surely, 2^1376172001 is an apocalyptic number.

It is an amenable number.

1376172001 is a deficient number, since it is larger than the sum of its proper divisors (392399).

1376172001 is an equidigital number, since it uses as much as digits as its factorization.

1376172001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392398.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1376172001 is about 37096.7923276393. The cubic root of 1376172001 is about 1112.3058957908.

Adding to 1376172001 its reverse (1002716731), we get a palindrome (2378888732).

The spelling of 1376172001 in words is "one billion, three hundred seventy-six million, one hundred seventy-two thousand, one".