1240972 has 6 divisors (see below), whose sum is σ = 2171708. Its totient is φ = 620484.

The previous prime is 1240957. The next prime is 1240973. The reversal of 1240972 is 2790421.

It is a super-3 number, since 3×1240972³ = 5733333471344430144, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155118 + ... + 155125.

2^1240972 is an apocalyptic number.

It is an amenable number.

1240972 is a deficient number, since it is larger than the sum of its proper divisors (930736).

1240972 is a wasteful number, since it uses less digits than its factorization.

1240972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310247 (or 310245 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1240972 is about 1113.9892279551. The cubic root of 1240972 is about 107.4617711553.

The spelling of 1240972 in words is "one million, two hundred forty thousand, nine hundred seventy-two".