124673777145 has 12 divisors (see below), whose sum is σ = 216101213796. Its totient is φ = 66492681120.

The previous prime is 124673777143. The next prime is 124673777159. The reversal of 124673777145 is 541777376421.

124673777145 is a `hidden beast` number, since 1 + 2 + 467 + 3 + 77 + 71 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77638577769 + 47035199376 = 278637^2 + 216876^2 .

It is not a de Polignac number, because 124673777145 - 2¹ = 124673777143 is a prime.

It is a super-2 number, since 2×124673777145² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 124673777091 and 124673777100.

It is not an unprimeable number, because it can be changed into a prime (124673777143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1385264146 + ... + 1385264235.

It is an arithmetic number, because the mean of its divisors is an integer number (18008434483).

Almost surely, 2^124673777145 is an apocalyptic number.

124673777145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124673777145 is a deficient number, since it is larger than the sum of its proper divisors (91427436651).

124673777145 is a wasteful number, since it uses less digits than its factorization.

124673777145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770528392 (or 2770528389 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 54.

The spelling of 124673777145 in words is "one hundred twenty-four billion, six hundred seventy-three million, seven hundred seventy-seven thousand, one hundred forty-five".