1131626642 has 8 divisors (see below), whose sum is σ = 1710806016. Its totient is φ = 561357972.

The previous prime is 1131626633. The next prime is 1131626659. The reversal of 1131626642 is 2466261311.

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

It is a junction number, because it is equal to n+sod(n) for n = 1131626599 and 1131626608.

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, 2227358 + ... + 2227865.

It is an arithmetic number, because the mean of its divisors is an integer number (213850752).

Almost surely, 2^1131626642 is an apocalyptic number.

1131626642 is a deficient number, since it is larger than the sum of its proper divisors (579179374).

1131626642 is a wasteful number, since it uses less digits than its factorization.

1131626642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455352.

The product of its digits is 10368, while the sum is 32.

The square root of 1131626642 is about 33639.6587675916. The cubic root of 1131626642 is about 1042.0799848465.

Adding to 1131626642 its reverse (2466261311), we get a palindrome (3597887953).

The spelling of 1131626642 in words is "one billion, one hundred thirty-one million, six hundred twenty-six thousand, six hundred forty-two".