1242682574 has 24 divisors (see below), whose sum is σ = 2248345008. Its totient is φ = 504545760.

The previous prime is 1242682549. The next prime is 1242682591. The reversal of 1242682574 is 4752862421.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117887 + ... + 127994.

It is an arithmetic number, because the mean of its divisors is an integer number (93681042).

Almost surely, 2^1242682574 is an apocalyptic number.

1242682574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1242682574 is a deficient number, since it is larger than the sum of its proper divisors (1005662434).

1242682574 is a wasteful number, since it uses less digits than its factorization.

1242682574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245928 (or 245909 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 1242682574 is about 35251.7031361607. The cubic root of 1242682574 is about 1075.1112411294. Note that the first 3 decimals are identical.

The spelling of 1242682574 in words is "one billion, two hundred forty-two million, six hundred eighty-two thousand, five hundred seventy-four".