1392241 has 8 divisors (see below), whose sum is σ = 1455104. Its totient is φ = 1330560.

The previous prime is 1392233. The next prime is 1392253. The reversal of 1392241 is 1422931.

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 1392241 - 2³ = 1392233 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1392221) 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, 2776 + ... + 3238.

It is an arithmetic number, because the mean of its divisors is an integer number (181888).

2^1392241 is an apocalyptic number.

It is an amenable number.

1392241 is a deficient number, since it is larger than the sum of its proper divisors (62863).

1392241 is an equidigital number, since it uses as much as digits as its factorization.

1392241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its digits is 432, while the sum is 22.

The square root of 1392241 is about 1179.9326251952. The cubic root of 1392241 is about 111.6618467759.

The spelling of 1392241 in words is "one million, three hundred ninety-two thousand, two hundred forty-one".