1207240 has 16 divisors (see below), whose sum is σ = 2716380. Its totient is φ = 482880.

The previous prime is 1207237. The next prime is 1207249. The reversal of 1207240 is 427021.

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 10404 = 1094^2 + 102^2 .

It is not an unprimeable number, because it can be changed into a prime (1207249) 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, 15051 + ... + 15130.

2^1207240 is an apocalyptic number.

1207240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207240 is an abundant number, since it is smaller than the sum of its proper divisors (1509140).

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

1207240 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 1207240 = (2240017)₉.

1207240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30192 (or 30188 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1207240 is about 1098.7447383264. The cubic root of 1207240 is about 106.4791409992.

The spelling of 1207240 in words is "one million, two hundred seven thousand, two hundred forty".