126990148450 has 48 divisors (see below), whose sum is σ = 261520520544. Its totient is φ = 45488995200.

The previous prime is 126990148433. The next prime is 126990148477. The reversal of 126990148450 is 54841099621.

It is a super-2 number, since 2×126990148450² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126990148394 and 126990148403.

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 23 ways as a sum of consecutive naturals, for example, 1686219 + ... + 1759918.

It is an arithmetic number, because the mean of its divisors is an integer number (5448344178).

Almost surely, 2^126990148450 is an apocalyptic number.

126990148450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126990148450 is an abundant number, since it is smaller than the sum of its proper divisors (134530372094).

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

126990148450 is a wasteful number, since it uses less digits than its factorization.

126990148450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446227 (or 3446222 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 126990148450 in words is "one hundred twenty-six billion, nine hundred ninety million, one hundred forty-eight thousand, four hundred fifty".