1254467940 has 48 divisors (see below), whose sum is σ = 3831831360. Its totient is φ = 304113280.

The previous prime is 1254467891. The next prime is 1254467947. The reversal of 1254467940 is 497644521.

It is a junction number, because it is equal to n+sod(n) for n = 1254467892 and 1254467901.

It is not an unprimeable number, because it can be changed into a prime (1254467947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949695 + ... + 951014.

It is an arithmetic number, because the mean of its divisors is an integer number (79829820).

Almost surely, 2^1254467940 is an apocalyptic number.

1254467940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254467940 is an abundant number, since it is smaller than the sum of its proper divisors (2577363420).

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

1254467940 is a wasteful number, since it uses less digits than its factorization.

1254467940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900732 (or 1900730 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 1254467940 is about 35418.4689110074. The cubic root of 1254467940 is about 1078.4992702002.

It can be divided in two parts, 125446 and 7940, that added together give a triangular number (133386 = T₅₁₆).

The spelling of 1254467940 in words is "one billion, two hundred fifty-four million, four hundred sixty-seven thousand, nine hundred forty".