124772020277421 has 24 divisors (see below), whose sum is σ = 182862756679680. Its totient is φ = 75618875485120.

The previous prime is 124772020277351. The next prime is 124772020277449.

124772020277421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124772020277421 - 2¹⁷ = 124772020146349 is a prime.

It is a super-2 number, since 2×124772020277421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124772020277221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54068665 + ... + 56329073.

It is an arithmetic number, because the mean of its divisors is an integer number (7619281528320).

Almost surely, 2^{124772020277421} is an apocalyptic number.

124772020277421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124772020277421 is a deficient number, since it is larger than the sum of its proper divisors (58090736402259).

124772020277421 is a wasteful number, since it uses less digits than its factorization.

124772020277421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412497 (or 2412486 counting only the distinct ones).

The product of its (nonzero) digits is 1229312, while the sum is 48.

The spelling of 124772020277421 in words is "one hundred twenty-four trillion, seven hundred seventy-two billion, twenty million, two hundred seventy-seven thousand, four hundred twenty-one".