125070145 has 8 divisors (see below), whose sum is σ = 150161256. Its totient is φ = 100004736.

The previous prime is 125070137. The next prime is 125070163. The reversal of 125070145 is 541070521.

It can be written as a sum of positive squares in 4 ways, for example, as 12794929 + 112275216 = 3577^2 + 10596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125070145 - 2³ = 125070137 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

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, 6739 + ... + 17191.

It is an arithmetic number, because the mean of its divisors is an integer number (18770157).

Almost surely, 2^125070145 is an apocalyptic number.

It is an amenable number.

125070145 is a deficient number, since it is larger than the sum of its proper divisors (25091111).

125070145 is a wasteful number, since it uses less digits than its factorization.

125070145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12851.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 125070145 is about 11183.4764273011. The cubic root of 125070145 is about 500.0935091776.

The spelling of 125070145 in words is "one hundred twenty-five million, seventy thousand, one hundred forty-five".