124243540628 has 6 divisors (see below), whose sum is σ = 217426196106. Its totient is φ = 62121770312.

The previous prime is 124243540607. The next prime is 124243540637. The reversal of 124243540628 is 826045342421.

It can be written as a sum of positive squares in only one way, i.e., 114560587024 + 9682953604 = 338468^2 + 98402^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15530442575 + ... + 15530442582.

It is an arithmetic number, because the mean of its divisors is an integer number (36237699351).

Almost surely, 2^124243540628 is an apocalyptic number.

It is an amenable number.

124243540628 is a deficient number, since it is larger than the sum of its proper divisors (93182655478).

124243540628 is a wasteful number, since it uses less digits than its factorization.

124243540628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31060885161 (or 31060885159 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 124243540628 in words is "one hundred twenty-four billion, two hundred forty-three million, five hundred forty thousand, six hundred twenty-eight".