1260102015 has 28 divisors (see below), whose sum is σ = 2267153064. Its totient is φ = 672052464.

The previous prime is 1260102013. The next prime is 1260102017. The reversal of 1260102015 is 5102010621.

It is an interprime number because it is at equal distance from previous prime (1260102013) and next prime (1260102017).

It is not a de Polignac number, because 1260102015 - 2¹ = 1260102013 is a prime.

It is a super-4 number, since 4×1260102015⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260102013) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 169209 + ... + 176498.

Almost surely, 2^1260102015 is an apocalyptic number.

1260102015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1260102015 is a deficient number, since it is larger than the sum of its proper divisors (1007051049).

1260102015 is an frugal number, since it uses more digits than its factorization.

1260102015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345730 (or 345715 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1260102015 is about 35497.9156430346. The cubic root of 1260102015 is about 1080.1114468326. Note that the first 3 decimals are identical.

Adding to 1260102015 its reverse (5102010621), we get a palindrome (6362112636).

The spelling of 1260102015 in words is "one billion, two hundred sixty million, one hundred two thousand, fifteen".