1240899063 has 16 divisors (see below), whose sum is σ = 1751356800. Its totient is φ = 779340960.

The previous prime is 1240899061. The next prime is 1240899089. The reversal of 1240899063 is 3609980421.

It is not a de Polignac number, because 1240899063 - 2¹ = 1240899061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240899061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50608 + ... + 71013.

It is an arithmetic number, because the mean of its divisors is an integer number (109459800).

Almost surely, 2^1240899063 is an apocalyptic number.

1240899063 is a deficient number, since it is larger than the sum of its proper divisors (510457737).

1240899063 is a wasteful number, since it uses less digits than its factorization.

1240899063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121822.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1240899063 is about 35226.3972469510. The cubic root of 1240899063 is about 1074.5966579144.

The spelling of 1240899063 in words is "one billion, two hundred forty million, eight hundred ninety-nine thousand, sixty-three".