124828642 has 4 divisors (see below), whose sum is σ = 187242966. Its totient is φ = 62414320.

The previous prime is 124828609. The next prime is 124828657. The reversal of 124828642 is 246828421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246828421 = 7 ⋅35261203.

It can be written as a sum of positive squares in only one way, i.e., 101989801 + 22838841 = 10099^2 + 4779^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31207159 + ... + 31207162.

Almost surely, 2^124828642 is an apocalyptic number.

124828642 is a deficient number, since it is larger than the sum of its proper divisors (62414324).

124828642 is an equidigital number, since it uses as much as digits as its factorization.

124828642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62414323.

The product of its digits is 49152, while the sum is 37.

The square root of 124828642 is about 11172.6738966104. The cubic root of 124828642 is about 499.7714181833.

It can be divided in two parts, 1248 and 28642, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 124828642 in words is "one hundred twenty-four million, eight hundred twenty-eight thousand, six hundred forty-two".