1240553225 has 24 divisors (see below), whose sum is σ = 1656932640. Its totient is φ = 918328320.

The previous prime is 1240553201. The next prime is 1240553239. The reversal of 1240553225 is 5223550421.

It is not a de Polignac number, because 1240553225 - 2¹² = 1240549129 is a prime.

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, 9944 + ... + 50793.

It is an arithmetic number, because the mean of its divisors is an integer number (69038860).

Almost surely, 2^1240553225 is an apocalyptic number.

It is an amenable number.

1240553225 is a deficient number, since it is larger than the sum of its proper divisors (416379415).

1240553225 is a wasteful number, since it uses less digits than its factorization.

1240553225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60809 (or 60804 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1240553225 is about 35221.4881145019. The cubic root of 1240553225 is about 1074.4968187735.

The spelling of 1240553225 in words is "one billion, two hundred forty million, five hundred fifty-three thousand, two hundred twenty-five".