125451001 has 8 divisors (see below), whose sum is σ = 137118464. Its totient is φ = 114071760.

The previous prime is 125450999. The next prime is 125451019. The reversal of 125451001 is 100154521.

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 125451001 - 2¹ = 125450999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125451001.

It is not an unprimeable number, because it can be changed into a prime (125451031) 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, 71145 + ... + 72886.

It is an arithmetic number, because the mean of its divisors is an integer number (17139808).

Almost surely, 2^125451001 is an apocalyptic number.

It is an amenable number.

125451001 is a deficient number, since it is larger than the sum of its proper divisors (11667463).

125451001 is a wasteful number, since it uses less digits than its factorization.

125451001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144111.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 125451001 is about 11200.4911053043. The cubic root of 125451001 is about 500.6006129061.

The spelling of 125451001 in words is "one hundred twenty-five million, four hundred fifty-one thousand, one".