1240531025 has 12 divisors (see below), whose sum is σ = 1539310704. Its totient is φ = 991746000.

The previous prime is 1240530997. The next prime is 1240531043. The reversal of 1240531025 is 5201350421.

It is not a de Polignac number, because 1240531025 - 2⁶ = 1240530961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22070 + ... + 54480.

It is an arithmetic number, because the mean of its divisors is an integer number (128275892).

Almost surely, 2^1240531025 is an apocalyptic number.

It is an amenable number.

1240531025 is a deficient number, since it is larger than the sum of its proper divisors (298779679).

1240531025 is a wasteful number, since it uses less digits than its factorization.

1240531025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33952 (or 33947 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1240531025 is about 35221.1729645678. The cubic root of 1240531025 is about 1074.4904092751.

Adding to 1240531025 its reverse (5201350421), we get a palindrome (6441881446).

The spelling of 1240531025 in words is "one billion, two hundred forty million, five hundred thirty-one thousand, twenty-five".