1902064122 has 96 divisors (see below), whose sum is σ = 5128905600. Its totient is φ = 497073024.

The previous prime is 1902064121. The next prime is 1902064133. The reversal of 1902064122 is 2214602091.

1902064122 is a `hidden beast` number, since 19 + 0 + 2 + 0 + 641 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1902064121) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 55728 + ... + 83124.

It is an arithmetic number, because the mean of its divisors is an integer number (53426100).

Almost surely, 2^1902064122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902064122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564452800).

1902064122 is an abundant number, since it is smaller than the sum of its proper divisors (3226841478).

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

1902064122 is a wasteful number, since it uses less digits than its factorization.

1902064122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27460 (or 27457 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1902064122 is about 43612.6601114860. The cubic root of 1902064122 is about 1239.0106837562.

The spelling of 1902064122 in words is "one billion, nine hundred two million, sixty-four thousand, one hundred twenty-two".