1146971542 has 8 divisors (see below), whose sum is σ = 1775956032. Its totient is φ = 554986200.

The previous prime is 1146971519. The next prime is 1146971543. The reversal of 1146971542 is 2451796411.

It is a happy number.

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 = 1146971495 and 1146971504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146971543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9249709 + ... + 9249832.

It is an arithmetic number, because the mean of its divisors is an integer number (221994504).

Almost surely, 2^1146971542 is an apocalyptic number.

1146971542 is a deficient number, since it is larger than the sum of its proper divisors (628984490).

1146971542 is a wasteful number, since it uses less digits than its factorization.

1146971542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18499574.

The product of its digits is 60480, while the sum is 40.

The square root of 1146971542 is about 33866.9683024625. The cubic root of 1146971542 is about 1046.7690682173.

The spelling of 1146971542 in words is "one billion, one hundred forty-six million, nine hundred seventy-one thousand, five hundred forty-two".