1254519434 has 16 divisors (see below), whose sum is σ = 2191183488. Its totient is φ = 527506512.

The previous prime is 1254519407. The next prime is 1254519449. The reversal of 1254519434 is 4349154521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844622 + ... + 846105.

It is an arithmetic number, because the mean of its divisors is an integer number (136948968).

Almost surely, 2^1254519434 is an apocalyptic number.

1254519434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1254519434 is a deficient number, since it is larger than the sum of its proper divisors (936664054).

1254519434 is a wasteful number, since it uses less digits than its factorization.

1254519434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690789.

The product of its digits is 86400, while the sum is 38.

The square root of 1254519434 is about 35419.1958406737. The cubic root of 1254519434 is about 1078.5140269163.

The spelling of 1254519434 in words is "one billion, two hundred fifty-four million, five hundred nineteen thousand, four hundred thirty-four".