1015102261 has 2 divisors, whose sum is σ = 1015102262. Its totient is φ = 1015102260.

The previous prime is 1015102229. The next prime is 1015102267. The reversal of 1015102261 is 1622015101.

1015102261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980879761 + 34222500 = 31319^2 + 5850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015102261 - 2⁵ = 1015102229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015102267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507551130 + 507551131.

It is an arithmetic number, because the mean of its divisors is an integer number (507551131).

Almost surely, 2^1015102261 is an apocalyptic number.

It is an amenable number.

1015102261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015102261 is an equidigital number, since it uses as much as digits as its factorization.

1015102261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1015102261 is about 31860.6695001847. The cubic root of 1015102261 is about 1005.0089554741.

Adding to 1015102261 its reverse (1622015101), we get a palindrome (2637117362).

The spelling of 1015102261 in words is "one billion, fifteen million, one hundred two thousand, two hundred sixty-one".