1015231601 has 8 divisors (see below), whose sum is σ = 1032762024. Its totient is φ = 997729920.

The previous prime is 1015231583. The next prime is 1015231649. The reversal of 1015231601 is 1061325101.

It can be written as a sum of positive squares in 4 ways, for example, as 54169600 + 961062001 = 7360^2 + 31001^2 .

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 1015231601 - 2¹⁴ = 1015215217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1015231691) 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, 71381 + ... + 84413.

It is an arithmetic number, because the mean of its divisors is an integer number (129095253).

Almost surely, 2^1015231601 is an apocalyptic number.

It is an amenable number.

1015231601 is a deficient number, since it is larger than the sum of its proper divisors (17530423).

1015231601 is a wasteful number, since it uses less digits than its factorization.

1015231601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14371.

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

The square root of 1015231601 is about 31862.6992108327. The cubic root of 1015231601 is about 1005.0516383127.

Adding to 1015231601 its reverse (1061325101), we get a palindrome (2076556702).

The spelling of 1015231601 in words is "one billion, fifteen million, two hundred thirty-one thousand, six hundred one".