190121303060 has 96 divisors (see below), whose sum is σ = 445796047872. Its totient is φ = 67634242560.

The previous prime is 190121303033. The next prime is 190121303083. The reversal of 190121303060 is 60303121091.

It is a super-2 number, since 2×190121303060² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1777664 + ... + 1881576.

It is an arithmetic number, because the mean of its divisors is an integer number (4643708832).

Almost surely, 2^190121303060 is an apocalyptic number.

190121303060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190121303060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222898023936).

190121303060 is an abundant number, since it is smaller than the sum of its proper divisors (255674744812).

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

190121303060 is a wasteful number, since it uses less digits than its factorization.

190121303060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104193 (or 104191 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 190121303060 in words is "one hundred ninety billion, one hundred twenty-one million, three hundred three thousand, sixty".