125078534 has 16 divisors (see below), whose sum is σ = 215988768. Its totient is φ = 53212992.

The previous prime is 125078533. The next prime is 125078543. The reversal of 125078534 is 435870521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125078494 and 125078503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125078533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30689 + ... + 34524.

It is an arithmetic number, because the mean of its divisors is an integer number (13499298).

Almost surely, 2^125078534 is an apocalyptic number.

125078534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125078534 is a deficient number, since it is larger than the sum of its proper divisors (90910234).

125078534 is a wasteful number, since it uses less digits than its factorization.

125078534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65359.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 125078534 is about 11183.8514832771. The cubic root of 125078534 is about 500.1046900784.

The spelling of 125078534 in words is "one hundred twenty-five million, seventy-eight thousand, five hundred thirty-four".