1372522 has 12 divisors (see below), whose sum is σ = 2173986. Its totient is φ = 649800.

The previous prime is 1372493. The next prime is 1372531. The reversal of 1372522 is 2252731.

It can be written as a sum of positive squares in only one way, i.e., 1343281 + 29241 = 1159^2 + 171^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 3¹² + 7⁷ + 2² + 5³ + 2¹⁰ + 2¹⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 1372493 and 1372502.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 229 + ... + 1672.

2^1372522 is an apocalyptic number.

1372522 is a deficient number, since it is larger than the sum of its proper divisors (801464).

1372522 is a wasteful number, since it uses less digits than its factorization.

1372522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1922 counting only the distinct ones).

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

The square root of 1372522 is about 1171.5468407196. The cubic root of 1372522 is about 111.1321640848.

The spelling of 1372522 in words is "one million, three hundred seventy-two thousand, five hundred twenty-two".