125451045 has 32 divisors (see below), whose sum is σ = 223885440. Its totient is φ = 66648960.

The previous prime is 125451031. The next prime is 125451047. The reversal of 125451045 is 540154521.

125451045 is a `hidden beast` number, since 12 + 545 + 104 + 5 = 666.

It is not a de Polignac number, because 125451045 - 2¹⁶ = 125385509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125451047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36282 + ... + 39588.

It is an arithmetic number, because the mean of its divisors is an integer number (6996420).

Almost surely, 2^125451045 is an apocalyptic number.

125451045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125451045 is a deficient number, since it is larger than the sum of its proper divisors (98434395).

125451045 is a wasteful number, since it uses less digits than its factorization.

125451045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 125451045 is about 11200.4930695037. The cubic root of 125451045 is about 500.6006714320.

The spelling of 125451045 in words is "one hundred twenty-five million, four hundred fifty-one thousand, forty-five".