1303870261 has 8 divisors (see below), whose sum is σ = 1346382848. Its totient is φ = 1261386000.

The previous prime is 1303870229. The next prime is 1303870277. The reversal of 1303870261 is 1620783031.

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 1303870261 - 2⁵ = 1303870229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303870291) 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, 127156 + ... + 137026.

It is an arithmetic number, because the mean of its divisors is an integer number (168297856).

Almost surely, 2^1303870261 is an apocalyptic number.

1303870261 is the 16149-th centered decagonal number.

It is an amenable number.

1303870261 is a deficient number, since it is larger than the sum of its proper divisors (42512587).

1303870261 is an equidigital number, since it uses as much as digits as its factorization.

1303870261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14163.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1303870261 is about 36109.1437311936. The cubic root of 1303870261 is about 1092.4748806161.

The spelling of 1303870261 in words is "one billion, three hundred three million, eight hundred seventy thousand, two hundred sixty-one".