1240572 has 24 divisors (see below), whose sum is σ = 2939776. Its totient is φ = 407088.

The previous prime is 1240559. The next prime is 1240607. The reversal of 1240572 is 2750421.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33 + ... + 1575.

2^1240572 is an apocalyptic number.

1240572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240572 is an abundant number, since it is smaller than the sum of its proper divisors (1699204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240572 is a wasteful number, since it uses less digits than its factorization.

1240572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1240572 is about 1113.8096785358. The cubic root of 1240572 is about 107.4502239359.

Adding to 1240572 its reverse (2750421), we get a palindrome (3990993).

The spelling of 1240572 in words is "one million, two hundred forty thousand, five hundred seventy-two".