1254541340 has 48 divisors (see below), whose sum is σ = 2903200608. Its totient is φ = 452438784.

The previous prime is 1254541307. The next prime is 1254541349. The reversal of 1254541340 is 431454521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254541349) 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 15 ways as a sum of consecutive naturals, for example, 44927 + ... + 67286.

It is an arithmetic number, because the mean of its divisors is an integer number (60483346).

Almost surely, 2^1254541340 is an apocalyptic number.

1254541340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254541340 is an abundant number, since it is smaller than the sum of its proper divisors (1648659268).

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

1254541340 is a wasteful number, since it uses less digits than its factorization.

1254541340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112278 (or 112276 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1254541340 is about 35419.5050784169. The cubic root of 1254541340 is about 1078.5203044305.

Adding to 1254541340 its reverse (431454521), we get a palindrome (1685995861).

The spelling of 1254541340 in words is "one billion, two hundred fifty-four million, five hundred forty-one thousand, three hundred forty".