124784401 has 8 divisors (see below), whose sum is σ = 142730624. Its totient is φ = 106868160.

The previous prime is 124784377. The next prime is 124784411. The reversal of 124784401 is 104487421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124784401 - 2⁷ = 124784273 is a prime.

It is a super-2 number, since 2×124784401² = 31142293465857602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124784411) 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, 2281 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (17841328).

Almost surely, 2^124784401 is an apocalyptic number.

124784401 is the 9121-st pentagonal number.

It is an amenable number.

124784401 is a deficient number, since it is larger than the sum of its proper divisors (17946223).

124784401 is a wasteful number, since it uses less digits than its factorization.

124784401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14991.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 124784401 is about 11170.6938459525. The cubic root of 124784401 is about 499.7123692355.

The spelling of 124784401 in words is "one hundred twenty-four million, seven hundred eighty-four thousand, four hundred one".