125734562 has 4 divisors (see below), whose sum is σ = 188601846. Its totient is φ = 62867280.

The previous prime is 125734561. The next prime is 125734589. The reversal of 125734562 is 265437521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265437521 = 367 ⋅723263.

It can be written as a sum of positive squares in only one way, i.e., 91030681 + 34703881 = 9541^2 + 5891^2 .

It is not an unprimeable number, because it can be changed into a prime (125734561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31433639 + ... + 31433642.

Almost surely, 2^125734562 is an apocalyptic number.

125734562 is a deficient number, since it is larger than the sum of its proper divisors (62867284).

125734562 is an equidigital number, since it uses as much as digits as its factorization.

125734562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62867283.

The product of its digits is 50400, while the sum is 35.

The square root of 125734562 is about 11213.1423784771. The cubic root of 125734562 is about 500.9775037276.

It can be divided in two parts, 1257 and 34562, that multiplied together give a palindrome (43444434).

The spelling of 125734562 in words is "one hundred twenty-five million, seven hundred thirty-four thousand, five hundred sixty-two".