1372961 has 2 divisors, whose sum is σ = 1372962. Its totient is φ = 1372960.

The previous prime is 1372957. The next prime is 1372963. The reversal of 1372961 is 1692731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 6400 = 1169^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372961 - 2² = 1372957 is a prime.

Together with 1372963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1372963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686480 + 686481.

It is an arithmetic number, because the mean of its divisors is an integer number (686481).

2^1372961 is an apocalyptic number.

It is an amenable number.

1372961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372961 is an equidigital number, since it uses as much as digits as its factorization.

1372961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 1372961 is about 1171.7341848730. The cubic root of 1372961 is about 111.1440113313.

The spelling of 1372961 in words is "one million, three hundred seventy-two thousand, nine hundred sixty-one".