124887788421 has 16 divisors (see below), whose sum is σ = 186564560448. Its totient is φ = 73643904000.

The previous prime is 124887788419. The next prime is 124887788423.

124887788421 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (124887788419) and next prime (124887788423).

It is not a de Polignac number, because 124887788421 - 2¹ = 124887788419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124887788423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51140380 + ... + 51142821.

It is an arithmetic number, because the mean of its divisors is an integer number (11660285028).

Almost surely, 2^124887788421 is an apocalyptic number.

124887788421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124887788421 is a deficient number, since it is larger than the sum of its proper divisors (61676772027).

124887788421 is a wasteful number, since it uses less digits than its factorization.

124887788421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102283252.

The product of its digits is 12845056, while the sum is 60.

The spelling of 124887788421 in words is "one hundred twenty-four billion, eight hundred eighty-seven million, seven hundred eighty-eight thousand, four hundred twenty-one".