125211454250 has 16 divisors (see below), whose sum is σ = 234395842824. Its totient is φ = 50084581600.

The previous prime is 125211454223. The next prime is 125211454267. The reversal of 125211454250 is 52454112521.

It can be written as a sum of positive squares in 4 ways, for example, as 16430881489 + 108780572761 = 128183^2 + 329819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250422659 + ... + 250423158.

Almost surely, 2^125211454250 is an apocalyptic number.

125211454250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125211454250 is a deficient number, since it is larger than the sum of its proper divisors (109184388574).

125211454250 is an equidigital number, since it uses as much as digits as its factorization.

125211454250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500845834 (or 500845824 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 125211454250 its reverse (52454112521), we get a palindrome (177665566771).

The spelling of 125211454250 in words is "one hundred twenty-five billion, two hundred eleven million, four hundred fifty-four thousand, two hundred fifty".