901974105 has 12 divisors (see below), whose sum is σ = 1563421860. Its totient is φ = 481052832.

The previous prime is 901974089. The next prime is 901974107. The reversal of 901974105 is 501479109.

It can be written as a sum of positive squares in 2 ways, for example, as 231526656 + 670447449 = 15216^2 + 25893^2 .

It is not a de Polignac number, because 901974105 - 2⁴ = 901974089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 901974105.

It is not an unprimeable number, because it can be changed into a prime (901974107) 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 11 ways as a sum of consecutive naturals, for example, 10021890 + ... + 10021979.

It is an arithmetic number, because the mean of its divisors is an integer number (130285155).

Almost surely, 2^901974105 is an apocalyptic number.

It is an amenable number.

901974105 is a deficient number, since it is larger than the sum of its proper divisors (661447755).

901974105 is a wasteful number, since it uses less digits than its factorization.

901974105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20043880 (or 20043877 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 901974105 is about 30032.8837276742. The cubic root of 901974105 is about 966.1947866656.

The spelling of 901974105 in words is "nine hundred one million, nine hundred seventy-four thousand, one hundred five".