126450131250 has 48 divisors (see below), whose sum is σ = 316105142976. Its totient is φ = 33720030000.

The previous prime is 126450131243. The next prime is 126450131279. The reversal of 126450131250 is 52131054621.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3353254 + ... + 3390753.

It is an arithmetic number, because the mean of its divisors is an integer number (6585523812).

Almost surely, 2^126450131250 is an apocalyptic number.

126450131250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126450131250 is an abundant number, since it is smaller than the sum of its proper divisors (189655011726).

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

126450131250 is an frugal number, since it uses more digits than its factorization.

126450131250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744037 (or 6744017 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 126450131250 its reverse (52131054621), we get a palindrome (178581185871).

The spelling of 126450131250 in words is "one hundred twenty-six billion, four hundred fifty million, one hundred thirty-one thousand, two hundred fifty".