124745671 has 4 divisors (see below), whose sum is σ = 126790744. Its totient is φ = 122700600.

The previous prime is 124745653. The next prime is 124745681. The reversal of 124745671 is 176547421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124745671 - 2¹³ = 124737479 is a prime.

It is a super-2 number, since 2×124745671² = 31122964866480482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124745671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124745681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022445 + ... + 1022566.

It is an arithmetic number, because the mean of its divisors is an integer number (31697686).

Almost surely, 2^124745671 is an apocalyptic number.

124745671 is a deficient number, since it is larger than the sum of its proper divisors (2045073).

124745671 is an equidigital number, since it uses as much as digits as its factorization.

124745671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045072.

The product of its digits is 47040, while the sum is 37.

The square root of 124745671 is about 11168.9601575079. The cubic root of 124745671 is about 499.6606644215.

It can be divided in two parts, 12474 and 5671, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 124745671 in words is "one hundred twenty-four million, seven hundred forty-five thousand, six hundred seventy-one".