1254124134 has 40 divisors (see below), whose sum is σ = 2835988320. Its totient is φ = 414200304.

The previous prime is 1254124133. The next prime is 1254124141. The reversal of 1254124134 is 4314214521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1254124098 and 1254124107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254124133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17854 + ... + 53169.

It is an arithmetic number, because the mean of its divisors is an integer number (70899708).

Almost surely, 2^1254124134 is an apocalyptic number.

1254124134 is an abundant number, since it is smaller than the sum of its proper divisors (1581864186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1254124134 is a wasteful number, since it uses less digits than its factorization.

1254124134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71146 (or 71137 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1254124134 is about 35413.6150936331. The cubic root of 1254124134 is about 1078.4007348272.

Adding to 1254124134 its reverse (4314214521), we get a palindrome (5568338655).

The spelling of 1254124134 in words is "one billion, two hundred fifty-four million, one hundred twenty-four thousand, one hundred thirty-four".