1253412346 has 8 divisors (see below), whose sum is σ = 1990713780. Its totient is φ = 589841088.

The previous prime is 1253412337. The next prime is 1253412371. The reversal of 1253412346 is 6432143521.

It can be written as a sum of positive squares in 2 ways, for example, as 1233063225 + 20349121 = 35115^2 + 4511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18432501 + ... + 18432568.

Almost surely, 2^1253412346 is an apocalyptic number.

1253412346 is a deficient number, since it is larger than the sum of its proper divisors (737301434).

1253412346 is a wasteful number, since it uses less digits than its factorization.

1253412346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36865088.

The product of its digits is 17280, while the sum is 31.

The square root of 1253412346 is about 35403.5640296284. The cubic root of 1253412346 is about 1078.1966779493.

Adding to 1253412346 its reverse (6432143521), we get a palindrome (7685555867).

The spelling of 1253412346 in words is "one billion, two hundred fifty-three million, four hundred twelve thousand, three hundred forty-six".