1261501314 has 32 divisors (see below), whose sum is σ = 2659968960. Its totient is φ = 397742400.

The previous prime is 1261501279. The next prime is 1261501349. The reversal of 1261501314 is 4131051621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1261501279) and next prime (1261501349).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66984 + ... + 83724.

It is an arithmetic number, because the mean of its divisors is an integer number (83124030).

Almost surely, 2^1261501314 is an apocalyptic number.

1261501314 is an abundant number, since it is smaller than the sum of its proper divisors (1398467646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1261501314 is a wasteful number, since it uses less digits than its factorization.

1261501314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17426.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1261501314 is about 35517.6197682221. The cubic root of 1261501314 is about 1080.5111075327.

Adding to 1261501314 its reverse (4131051621), we get a palindrome (5392552935).

The spelling of 1261501314 in words is "one billion, two hundred sixty-one million, five hundred one thousand, three hundred fourteen".