124696221 has 16 divisors (see below), whose sum is σ = 188475840. Its totient is φ = 72696960.

The previous prime is 124696219. The next prime is 124696237. The reversal of 124696221 is 122696421.

It is not a de Polignac number, because 124696221 - 2¹ = 124696219 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124696021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83400 + ... + 84881.

It is an arithmetic number, because the mean of its divisors is an integer number (11779740).

Almost surely, 2^124696221 is an apocalyptic number.

It is an amenable number.

124696221 is a deficient number, since it is larger than the sum of its proper divisors (63779619).

124696221 is a wasteful number, since it uses less digits than its factorization.

124696221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168316.

The product of its digits is 10368, while the sum is 33.

The square root of 124696221 is about 11166.7462136470. The cubic root of 124696221 is about 499.5946327770.

The spelling of 124696221 in words is "one hundred twenty-four million, six hundred ninety-six thousand, two hundred twenty-one".