1148431042 has 8 divisors (see below), whose sum is σ = 1879250832. Its totient is φ = 522014100.

The previous prime is 1148431027. The next prime is 1148431061. The reversal of 1148431042 is 2401348411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1148431042.

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, 26100684 + ... + 26100727.

It is an arithmetic number, because the mean of its divisors is an integer number (234906354).

Almost surely, 2^1148431042 is an apocalyptic number.

1148431042 is a deficient number, since it is larger than the sum of its proper divisors (730819790).

1148431042 is a wasteful number, since it uses less digits than its factorization.

1148431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52201424.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1148431042 is about 33888.5089964135. The cubic root of 1148431042 is about 1047.2128780945.

Adding to 1148431042 its reverse (2401348411), we get a palindrome (3549779453).

The spelling of 1148431042 in words is "one billion, one hundred forty-eight million, four hundred thirty-one thousand, forty-two".