1520374 has 4 divisors (see below), whose sum is σ = 2280564. Its totient is φ = 760186.

The previous prime is 1520359. The next prime is 1520381. The reversal of 1520374 is 4730251.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380092 + ... + 380095.

It is an arithmetic number, because the mean of its divisors is an integer number (570141).

2^1520374 is an apocalyptic number.

1520374 is a deficient number, since it is larger than the sum of its proper divisors (760190).

1520374 is an equidigital number, since it uses as much as digits as its factorization.

1520374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760189.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1520374 is about 1233.0344682936. The cubic root of 1520374 is about 114.9873710139.

The spelling of 1520374 in words is "one million, five hundred twenty thousand, three hundred seventy-four".