1253042434 has 16 divisors (see below), whose sum is σ = 2161758528. Its totient is φ = 533596752.

The previous prime is 1253042431. The next prime is 1253042437. The reversal of 1253042434 is 4342403521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1253042431) and next prime (1253042437).

It is not an unprimeable number, because it can be changed into a prime (1253042431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282844 + ... + 287239.

It is an arithmetic number, because the mean of its divisors is an integer number (135109908).

Almost surely, 2^1253042434 is an apocalyptic number.

1253042434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1253042434 is a deficient number, since it is larger than the sum of its proper divisors (908716094).

1253042434 is a wasteful number, since it uses less digits than its factorization.

1253042434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570249.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1253042434 is about 35398.3394243289. The cubic root of 1253042434 is about 1078.0906002932.

Adding to 1253042434 its reverse (4342403521), we get a palindrome (5595445955).

The spelling of 1253042434 in words is "one billion, two hundred fifty-three million, forty-two thousand, four hundred thirty-four".