1240675953 has 32 divisors (see below), whose sum is σ = 1837790592. Its totient is φ = 738201600.

The previous prime is 1240675951. The next prime is 1240676009. The reversal of 1240675953 is 3595760421.

It is not a de Polignac number, because 1240675953 - 2¹ = 1240675951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240675951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579501 + ... + 581637.

It is an arithmetic number, because the mean of its divisors is an integer number (57430956).

Almost surely, 2^1240675953 is an apocalyptic number.

It is an amenable number.

1240675953 is a deficient number, since it is larger than the sum of its proper divisors (597114639).

1240675953 is a wasteful number, since it uses less digits than its factorization.

1240675953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 1240675953 is about 35223.2303033098. The cubic root of 1240675953 is about 1074.5322509485.

The spelling of 1240675953 in words is "one billion, two hundred forty million, six hundred seventy-five thousand, nine hundred fifty-three".