125276545 has 8 divisors (see below), whose sum is σ = 150846696. Its totient is φ = 99878016.

The previous prime is 125276539. The next prime is 125276609. The reversal of 125276545 is 545672521.

It can be written as a sum of positive squares in 4 ways, for example, as 37442161 + 87834384 = 6119^2 + 9372^2 .

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 125276545 - 2³ = 125276537 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, 41292 + ... + 44221.

It is an arithmetic number, because the mean of its divisors is an integer number (18855837).

Almost surely, 2^125276545 is an apocalyptic number.

It is an amenable number.

125276545 is a deficient number, since it is larger than the sum of its proper divisors (25570151).

125276545 is an equidigital number, since it uses as much as digits as its factorization.

125276545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85811.

The product of its digits is 84000, while the sum is 37.

The square root of 125276545 is about 11192.7005231088. The cubic root of 125276545 is about 500.3684550817.

The spelling of 125276545 in words is "one hundred twenty-five million, two hundred seventy-six thousand, five hundred forty-five".