1147407442 has 8 divisors (see below), whose sum is σ = 1761137136. Its totient is φ = 560361732.

The previous prime is 1147407419. The next prime is 1147407523. The reversal of 1147407442 is 2447047411.

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 = 1147407398 and 1147407407.

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, 6670888 + ... + 6671059.

It is an arithmetic number, because the mean of its divisors is an integer number (220142142).

Almost surely, 2^1147407442 is an apocalyptic number.

1147407442 is a deficient number, since it is larger than the sum of its proper divisors (613729694).

1147407442 is a wasteful number, since it uses less digits than its factorization.

1147407442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13341992.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 1147407442 is about 33873.4031653154. The cubic root of 1147407442 is about 1046.9016576290.

The spelling of 1147407442 in words is "one billion, one hundred forty-seven million, four hundred seven thousand, four hundred forty-two".