1015242101 has 4 divisors (see below), whose sum is σ = 1016476512. Its totient is φ = 1014007692.

The previous prime is 1015242097. The next prime is 1015242113. The reversal of 1015242101 is 1012425101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1012425101 = 73 ⋅13868837.

It is a cyclic number.

It is not a de Polignac number, because 1015242101 - 2² = 1015242097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1015242101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015292101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615971 + ... + 617616.

It is an arithmetic number, because the mean of its divisors is an integer number (254119128).

Almost surely, 2^1015242101 is an apocalyptic number.

It is an amenable number.

1015242101 is a deficient number, since it is larger than the sum of its proper divisors (1234411).

1015242101 is an equidigital number, since it uses as much as digits as its factorization.

1015242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234410.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1015242101 is about 31862.8639798748. The cubic root of 1015242101 is about 1005.0551032054.

Adding to 1015242101 its reverse (1012425101), we get a palindrome (2027667202).

The spelling of 1015242101 in words is "one billion, fifteen million, two hundred forty-two thousand, one hundred one".