1240144325 has 24 divisors (see below), whose sum is σ = 1763785920. Its totient is φ = 847324800.

The previous prime is 1240144289. The next prime is 1240144349. The reversal of 1240144325 is 5234410421.

It is not a de Polignac number, because 1240144325 - 2¹² = 1240140229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240144294 and 1240144303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36566 + ... + 61784.

It is an arithmetic number, because the mean of its divisors is an integer number (73491080).

Almost surely, 2^1240144325 is an apocalyptic number.

It is an amenable number.

1240144325 is a deficient number, since it is larger than the sum of its proper divisors (523641595).

1240144325 is a wasteful number, since it uses less digits than its factorization.

1240144325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25517 (or 25512 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1240144325 is about 35215.6829409853. The cubic root of 1240144325 is about 1074.3787504735.

Adding to 1240144325 its reverse (5234410421), we get a palindrome (6474554746).

The spelling of 1240144325 in words is "one billion, two hundred forty million, one hundred forty-four thousand, three hundred twenty-five".