1357072 has 20 divisors (see below), whose sum is σ = 2661660. Its totient is φ = 670208.

The previous prime is 1357063. The next prime is 1357079. The reversal of 1357072 is 2707531.

It can be written as a sum of positive squares in 2 ways, for example, as 404496 + 952576 = 636^2 + 976^2 .

It is not an unprimeable number, because it can be changed into a prime (1357079) 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, 948 + ... + 1900.

It is an arithmetic number, because the mean of its divisors is an integer number (133083).

2^1357072 is an apocalyptic number.

It is an amenable number.

1357072 is a deficient number, since it is larger than the sum of its proper divisors (1304588).

1357072 is an equidigital number, since it uses as much as digits as its factorization.

1357072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 1357072 is about 1164.9343329132. The cubic root of 1357072 is about 110.7135976172.

The spelling of 1357072 in words is "one million, three hundred fifty-seven thousand, seventy-two".