1492157 has 4 divisors (see below), whose sum is σ = 1514496. Its totient is φ = 1469820.

The previous prime is 1492147. The next prime is 1492159. The reversal of 1492157 is 7512941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1492157 - 2¹⁸ = 1230013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492159) 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, 11069 + ... + 11202.

It is an arithmetic number, because the mean of its divisors is an integer number (378624).

2^1492157 is an apocalyptic number.

It is an amenable number.

1492157 is a deficient number, since it is larger than the sum of its proper divisors (22339).

1492157 is an equidigital number, since it uses as much as digits as its factorization.

1492157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22338.

The product of its digits is 2520, while the sum is 29.

The square root of 1492157 is about 1221.5387836659. The cubic root of 1492157 is about 114.2715645428.

Subtracting from 1492157 its sum of digits (29), we obtain a triangular number (1492128 = T₁₇₂₇).

The spelling of 1492157 in words is "one million, four hundred ninety-two thousand, one hundred fifty-seven".