1242101874 has 16 divisors (see below), whose sum is σ = 2675296512. Its totient is φ = 382185168.

The previous prime is 1242101857. The next prime is 1242101879. The reversal of 1242101874 is 4781012421.

It is not an unprimeable number, because it can be changed into a prime (1242101879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7962114 + ... + 7962269.

It is an arithmetic number, because the mean of its divisors is an integer number (167206032).

Almost surely, 2^1242101874 is an apocalyptic number.

1242101874 is an abundant number, since it is smaller than the sum of its proper divisors (1433194638).

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

1242101874 is a wasteful number, since it uses less digits than its factorization.

1242101874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15924401.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1242101874 is about 35243.4656922386. The cubic root of 1242101874 is about 1074.9437501485.

The spelling of 1242101874 in words is "one billion, two hundred forty-two million, one hundred one thousand, eight hundred seventy-four".