126691050 has 48 divisors (see below), whose sum is σ = 330737760. Its totient is φ = 32005440.

The previous prime is 126691039. The next prime is 126691057. The reversal of 126691050 is 50196621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 126690999 and 126691017.

It is not an unprimeable number, because it can be changed into a prime (126691057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19377 + ... + 25076.

It is an arithmetic number, because the mean of its divisors is an integer number (6890370).

Almost surely, 2^126691050 is an apocalyptic number.

126691050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126691050 is an abundant number, since it is smaller than the sum of its proper divisors (204046710).

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

126691050 is a wasteful number, since it uses less digits than its factorization.

126691050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44487 (or 44482 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 126691050 is about 11255.7118833062. The cubic root of 126691050 is about 502.2446414238.

The spelling of 126691050 in words is "one hundred twenty-six million, six hundred ninety-one thousand, fifty".