126189750 has 32 divisors (see below), whose sum is σ = 314971488. Its totient is φ = 33650400.

The previous prime is 126189737. The next prime is 126189751. The reversal of 126189750 is 57981621.

It is a junction number, because it is equal to n+sod(n) for n = 126189699 and 126189708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126189751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83377 + ... + 84876.

It is an arithmetic number, because the mean of its divisors is an integer number (9842859).

Almost surely, 2^126189750 is an apocalyptic number.

126189750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126189750 is an abundant number, since it is smaller than the sum of its proper divisors (188781738).

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

126189750 is a wasteful number, since it uses less digits than its factorization.

126189750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168273 (or 168263 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 126189750 is about 11233.4211173622. The cubic root of 126189750 is about 501.5813268716.

The spelling of 126189750 in words is "one hundred twenty-six million, one hundred eighty-nine thousand, seven hundred fifty".