1154402425 has 24 divisors (see below), whose sum is σ = 1653456672. Its totient is φ = 790176000.

The previous prime is 1154402413. The next prime is 1154402443. The reversal of 1154402425 is 5242044511.

It is not a de Polignac number, because 1154402425 - 2⁵ = 1154402393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154402393 and 1154402402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118791 + ... + 128140.

It is an arithmetic number, because the mean of its divisors is an integer number (68894028).

Almost surely, 2^1154402425 is an apocalyptic number.

It is an amenable number.

1154402425 is a deficient number, since it is larger than the sum of its proper divisors (499054247).

1154402425 is a wasteful number, since it uses less digits than its factorization.

1154402425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246969 (or 246964 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1154402425 is about 33976.4981273821. The cubic root of 1154402425 is about 1049.0247709908.

Adding to 1154402425 its reverse (5242044511), we get a palindrome (6396446936).

The spelling of 1154402425 in words is "one billion, one hundred fifty-four million, four hundred two thousand, four hundred twenty-five".