126722924190 has 48 divisors (see below), whose sum is σ = 330012025200. Its totient is φ = 33738172416.

The previous prime is 126722924147. The next prime is 126722924197. The reversal of 126722924190 is 91429227621.

126722924190 is a `hidden beast` number, since 1 + 2 + 6 + 7 + 229 + 2 + 419 + 0 = 666.

It is a super-2 number, since 2×126722924190² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126722924197) 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 23 ways as a sum of consecutive naturals, for example, 1081635 + ... + 1193054.

It is an arithmetic number, because the mean of its divisors is an integer number (6875250525).

Almost surely, 2^126722924190 is an apocalyptic number.

126722924190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126722924190 is an abundant number, since it is smaller than the sum of its proper divisors (203289101010).

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

126722924190 is a wasteful number, since it uses less digits than its factorization.

126722924190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275321 (or 2275318 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 126722924190 in words is "one hundred twenty-six billion, seven hundred twenty-two million, nine hundred twenty-four thousand, one hundred ninety".