1415240 has 16 divisors (see below), whose sum is σ = 3184380. Its totient is φ = 566080.

The previous prime is 1415237. The next prime is 1415263. The reversal of 1415240 is 425141.

It can be written as a sum of positive squares in 2 ways, for example, as 1387684 + 27556 = 1178^2 + 166^2 .

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17651 + ... + 17730.

2^1415240 is an apocalyptic number.

1415240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1415240 is an abundant number, since it is smaller than the sum of its proper divisors (1769140).

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

1415240 is a wasteful number, since it uses less digits than its factorization.

1415240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35392 (or 35388 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1415240 is about 1189.6386005842. The cubic root of 1415240 is about 112.2733543997.

Subtracting from 1415240 its reverse (425141), we obtain a palindrome (990099).

The spelling of 1415240 in words is "one million, four hundred fifteen thousand, two hundred forty".