1372106401 has 4 divisors (see below), whose sum is σ = 1376789652. Its totient is φ = 1367423152.

The previous prime is 1372106387. The next prime is 1372106443. The reversal of 1372106401 is 1046012731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1046012731 = 3733 ⋅280207.

It can be written as a sum of positive squares in 2 ways, for example, as 915002001 + 457104400 = 30249^2 + 21380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372106401 - 2¹³ = 1372098209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372106471) 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, 2341186 + ... + 2341771.

It is an arithmetic number, because the mean of its divisors is an integer number (344197413).

Almost surely, 2^1372106401 is an apocalyptic number.

It is an amenable number.

1372106401 is a deficient number, since it is larger than the sum of its proper divisors (4683251).

1372106401 is an equidigital number, since it uses as much as digits as its factorization.

1372106401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683250.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1372106401 is about 37041.9546055550. The cubic root of 1372106401 is about 1111.2094603052.

The spelling of 1372106401 in words is "one billion, three hundred seventy-two million, one hundred six thousand, four hundred one".