124961545 has 8 divisors (see below), whose sum is σ = 152783496. Its totient is φ = 98082816.

The previous prime is 124961539. The next prime is 124961549. The reversal of 124961545 is 545169421.

It can be written as a sum of positive squares in 4 ways, for example, as 3013696 + 121947849 = 1736^2 + 11043^2 .

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 124961545 - 2⁵ = 124961513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124961549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235512 + ... + 236041.

It is an arithmetic number, because the mean of its divisors is an integer number (19097937).

Almost surely, 2^124961545 is an apocalyptic number.

It is an amenable number.

124961545 is a deficient number, since it is larger than the sum of its proper divisors (27821951).

124961545 is an equidigital number, since it uses as much as digits as its factorization.

124961545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471611.

The product of its digits is 43200, while the sum is 37.

The square root of 124961545 is about 11178.6199953304. The cubic root of 124961545 is about 499.9487214079.

It can be divided in two parts, 12496 and 1545, that added together give a palindrome (14041).

The spelling of 124961545 in words is "one hundred twenty-four million, nine hundred sixty-one thousand, five hundred forty-five".