125734078690 has 32 divisors (see below), whose sum is σ = 247807123200. Its totient is φ = 45552758400.

The previous prime is 125734078667. The next prime is 125734078693. The reversal of 125734078690 is 96870437521.

It is a super-2 number, since 2×125734078690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125734078693) 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, 2079115 + ... + 2138734.

It is an arithmetic number, because the mean of its divisors is an integer number (7743972600).

It is a 1-persistent number, because it is pandigital, but 2⋅125734078690 = 251468157380 is not.

Almost surely, 2^125734078690 is an apocalyptic number.

125734078690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125734078690 is a deficient number, since it is larger than the sum of its proper divisors (122073044510).

125734078690 is a wasteful number, since it uses less digits than its factorization.

125734078690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218138.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 125734078690 in words is "one hundred twenty-five billion, seven hundred thirty-four million, seventy-eight thousand, six hundred ninety".