1372291 has 8 divisors (see below), whose sum is σ = 1470960. Its totient is φ = 1275648.

The previous prime is 1372271. The next prime is 1372303. The reversal of 1372291 is 1922731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1372291 - 2⁹ = 1371779 is a prime.

It is a Duffinian number.

1372291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1372211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060 + ... + 1966.

It is an arithmetic number, because the mean of its divisors is an integer number (183870).

2^1372291 is an apocalyptic number.

1372291 is a deficient number, since it is larger than the sum of its proper divisors (98669).

1372291 is an equidigital number, since it uses as much as digits as its factorization.

1372291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013.

The product of its digits is 756, while the sum is 25.

The square root of 1372291 is about 1171.4482489636. The cubic root of 1372291 is about 111.1259290978.

The spelling of 1372291 in words is "one million, three hundred seventy-two thousand, two hundred ninety-one".