1260341290 has 16 divisors (see below), whose sum is σ = 2443123368. Its totient is φ = 465356736.

The previous prime is 1260341279. The next prime is 1260341293. The reversal of 1260341290 is 921430621.

It can be written as a sum of positive squares in 4 ways, for example, as 574896529 + 685444761 = 23977^2 + 26181^2 .

It is not an unprimeable number, because it can be changed into a prime (1260341293) 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, 4847337 + ... + 4847596.

Almost surely, 2^1260341290 is an apocalyptic number.

1260341290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260341290 is a deficient number, since it is larger than the sum of its proper divisors (1182782078).

1260341290 is a wasteful number, since it uses less digits than its factorization.

1260341290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9694953.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1260341290 is about 35501.2857513640. The cubic root of 1260341290 is about 1080.1798083109.

The spelling of 1260341290 in words is "one billion, two hundred sixty million, three hundred forty-one thousand, two hundred ninety".