1497139 has 16 divisors (see below), whose sum is σ = 1893888. Its totient is φ = 1153152.

The previous prime is 1497127. The next prime is 1497149. The reversal of 1497139 is 9317941.

It is not a de Polignac number, because 1497139 - 2⁵ = 1497107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1497149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2464 + ... + 3010.

It is an arithmetic number, because the mean of its divisors is an integer number (118368).

2^1497139 is an apocalyptic number.

1497139 is a deficient number, since it is larger than the sum of its proper divisors (396749).

1497139 is a wasteful number, since it uses less digits than its factorization.

1497139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 6804, while the sum is 34.

The square root of 1497139 is about 1223.5763155603. The cubic root of 1497139 is about 114.3985995476.

The spelling of 1497139 in words is "one million, four hundred ninety-seven thousand, one hundred thirty-nine".