1254120434 has 32 divisors (see below), whose sum is σ = 2175939072. Its totient is φ = 531000000.

The previous prime is 1254120391. The next prime is 1254120437. The reversal of 1254120434 is 4340214521.

It is not an unprimeable number, because it can be changed into a prime (1254120437) 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, 1061324 + ... + 1062504.

It is an arithmetic number, because the mean of its divisors is an integer number (67998096).

Almost surely, 2^1254120434 is an apocalyptic number.

1254120434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1254120434 is a deficient number, since it is larger than the sum of its proper divisors (921818638).

1254120434 is a wasteful number, since it uses less digits than its factorization.

1254120434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1254120434 is about 35413.5628537994. The cubic root of 1254120434 is about 1078.3996743031.

Adding to 1254120434 its reverse (4340214521), we get a palindrome (5594334955).

The spelling of 1254120434 in words is "one billion, two hundred fifty-four million, one hundred twenty thousand, four hundred thirty-four".