1002121109974 has 16 divisors (see below), whose sum is σ = 1523813748912. Its totient is φ = 494183559168.

The previous prime is 1002121109953. The next prime is 1002121110007. The reversal of 1002121109974 is 4799011212001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7656022 + ... + 7785814.

It is an arithmetic number, because the mean of its divisors is an integer number (95238359307).

Almost surely, 2^{1002121109974} is an apocalyptic number.

1002121109974 is a deficient number, since it is larger than the sum of its proper divisors (521692638938).

1002121109974 is a wasteful number, since it uses less digits than its factorization.

1002121109974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182751.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 1002121109974 in words is "one trillion, two billion, one hundred twenty-one million, one hundred nine thousand, nine hundred seventy-four".