1274423400 has 144 divisors (see below), whose sum is σ = 4300171200. Its totient is φ = 338240640.

The previous prime is 1274423351. The next prime is 1274423401. The reversal of 1274423400 is 43244721.

It is not an unprimeable number, because it can be changed into a prime (1274423401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 407041 + ... + 410159.

It is an arithmetic number, because the mean of its divisors is an integer number (29862300).

Almost surely, 2^1274423400 is an apocalyptic number.

1274423400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2150085600).

1274423400 is an abundant number, since it is smaller than the sum of its proper divisors (3025747800).

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

1274423400 is a wasteful number, since it uses less digits than its factorization.

1274423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368 (or 3356 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1274423400 is about 35699.0672147046. The cubic root of 1274423400 is about 1084.1879573135.

The spelling of 1274423400 in words is "one billion, two hundred seventy-four million, four hundred twenty-three thousand, four hundred".