1242707676 has 48 divisors (see below), whose sum is σ = 3318572544. Its totient is φ = 354557376.

The previous prime is 1242707671. The next prime is 1242707707. The reversal of 1242707676 is 6767072421.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242707671) 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, 51481 + ... + 71663.

It is an arithmetic number, because the mean of its divisors is an integer number (69136928).

Almost surely, 2^1242707676 is an apocalyptic number.

It is an amenable number.

1242707676 is an abundant number, since it is smaller than the sum of its proper divisors (2075864868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242707676 is a wasteful number, since it uses less digits than its factorization.

1242707676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20930 (or 20928 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 1242707676 is about 35252.0591738979. The cubic root of 1242707676 is about 1075.1184801088.

The spelling of 1242707676 in words is "one billion, two hundred forty-two million, seven hundred seven thousand, six hundred seventy-six".