1240225135 has 16 divisors (see below), whose sum is σ = 1548708480. Its totient is φ = 952670880.

The previous prime is 1240225127. The next prime is 1240225139. The reversal of 1240225135 is 5315220421.

It is not a de Polignac number, because 1240225135 - 2³ = 1240225127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240225139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36201 + ... + 61570.

It is an arithmetic number, because the mean of its divisors is an integer number (96794280).

Almost surely, 2^1240225135 is an apocalyptic number.

1240225135 is a deficient number, since it is larger than the sum of its proper divisors (308483345).

1240225135 is an equidigital number, since it uses as much as digits as its factorization.

1240225135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97878.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1240225135 is about 35216.8302804213. The cubic root of 1240225135 is about 1074.4020861072.

Adding to 1240225135 its reverse (5315220421), we get a palindrome (6555445556).

The spelling of 1240225135 in words is "one billion, two hundred forty million, two hundred twenty-five thousand, one hundred thirty-five".