1240490053 has 8 divisors (see below), whose sum is σ = 1354502016. Its totient is φ = 1126684800.

The previous prime is 1240490033. The next prime is 1240490063. The reversal of 1240490053 is 3500940421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240490053 - 2⁵ = 1240490021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240490033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38988 + ... + 63253.

It is an arithmetic number, because the mean of its divisors is an integer number (169312752).

Almost surely, 2^1240490053 is an apocalyptic number.

It is an amenable number.

1240490053 is a deficient number, since it is larger than the sum of its proper divisors (114011963).

1240490053 is a wasteful number, since it uses less digits than its factorization.

1240490053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103355.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1240490053 is about 35220.5913209872. The cubic root of 1240490053 is about 1074.4785797965.

The spelling of 1240490053 in words is "one billion, two hundred forty million, four hundred ninety thousand, fifty-three".