1254134460 has 24 divisors (see below), whose sum is σ = 3511576656. Its totient is φ = 334435840.

The previous prime is 1254134411. The next prime is 1254134461. The reversal of 1254134460 is 644314521.

1254134460 = 4138² + 4139² + ... + 4209².

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254134461) 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 7 ways as a sum of consecutive naturals, for example, 10451061 + ... + 10451180.

It is an arithmetic number, because the mean of its divisors is an integer number (146315694).

Almost surely, 2^1254134460 is an apocalyptic number.

1254134460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254134460 is an abundant number, since it is smaller than the sum of its proper divisors (2257442196).

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

1254134460 is a wasteful number, since it uses less digits than its factorization.

1254134460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902253 (or 20902251 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1254134460 is about 35413.7608847182. The cubic root of 1254134460 is about 1078.4036945383.

Adding to 1254134460 its reverse (644314521), we get a palindrome (1898448981).

The spelling of 1254134460 in words is "one billion, two hundred fifty-four million, one hundred thirty-four thousand, four hundred sixty".