1240051053 has 4 divisors (see below), whose sum is σ = 1653401408. Its totient is φ = 826700700.

The previous prime is 1240051019. The next prime is 1240051079. The reversal of 1240051053 is 3501500421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1240051053 - 2⁸ = 1240050797 is a prime.

It is a super-2 number, since 2×1240051053² = 3075453228092817618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240051753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206675173 + ... + 206675178.

It is an arithmetic number, because the mean of its divisors is an integer number (413350352).

Almost surely, 2^1240051053 is an apocalyptic number.

It is an amenable number.

1240051053 is a deficient number, since it is larger than the sum of its proper divisors (413350355).

1240051053 is an equidigital number, since it uses as much as digits as its factorization.

1240051053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413350354.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1240051053 is about 35214.3586197449. The cubic root of 1240051053 is about 1074.3518149077.

Adding to 1240051053 its reverse (3501500421), we get a palindrome (4741551474).

The spelling of 1240051053 in words is "one billion, two hundred forty million, fifty-one thousand, fifty-three".