1150213061 has 8 divisors (see below), whose sum is σ = 1167304320. Its totient is φ = 1133185248.

The previous prime is 1150213037. The next prime is 1150213091. The reversal of 1150213061 is 1603120511.

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

It is a cyclic number.

It is not a de Polignac number, because 1150213061 - 2³⁰ = 76471237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150213021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21305 + ... + 52481.

It is an arithmetic number, because the mean of its divisors is an integer number (145913040).

Almost surely, 2^1150213061 is an apocalyptic number.

It is an amenable number.

1150213061 is a deficient number, since it is larger than the sum of its proper divisors (17091259).

1150213061 is an equidigital number, since it uses as much as digits as its factorization.

1150213061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31723.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1150213061 is about 33914.7911831991. The cubic root of 1150213061 is about 1047.7542511426.

Adding to 1150213061 its reverse (1603120511), we get a palindrome (2753333572).

The spelling of 1150213061 in words is "one billion, one hundred fifty million, two hundred thirteen thousand, sixty-one".