1161524642 has 8 divisors (see below), whose sum is σ = 1766826432. Its totient is φ = 572582500.

The previous prime is 1161524641. The next prime is 1161524669. The reversal of 1161524642 is 2464251611.

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 = 1161524599 and 1161524608.

It is not an unprimeable number, because it can be changed into a prime (1161524641) 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, 4089734 + ... + 4090017.

It is an arithmetic number, because the mean of its divisors is an integer number (220853304).

Almost surely, 2^1161524642 is an apocalyptic number.

1161524642 is a deficient number, since it is larger than the sum of its proper divisors (605301790).

1161524642 is an equidigital number, since it uses as much as digits as its factorization.

1161524642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179824.

The product of its digits is 11520, while the sum is 32.

The square root of 1161524642 is about 34081.1478973347. The cubic root of 1161524642 is about 1051.1777086391.

The spelling of 1161524642 in words is "one billion, one hundred sixty-one million, five hundred twenty-four thousand, six hundred forty-two".