1261251114 has 16 divisors (see below), whose sum is σ = 2670884928. Its totient is φ = 395686592.

The previous prime is 1261251113. The next prime is 1261251127. The reversal of 1261251114 is 4111521621.

It is not an unprimeable number, because it can be changed into a prime (1261251113) 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, 6182502 + ... + 6182705.

It is an arithmetic number, because the mean of its divisors is an integer number (166930308).

Almost surely, 2^1261251114 is an apocalyptic number.

1261251114 is an abundant number, since it is smaller than the sum of its proper divisors (1409633814).

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

1261251114 is a wasteful number, since it uses less digits than its factorization.

1261251114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12365229.

The product of its digits is 480, while the sum is 24.

The square root of 1261251114 is about 35514.0973980756. The cubic root of 1261251114 is about 1080.4396683802.

Adding to 1261251114 its reverse (4111521621), we get a palindrome (5372772735).

The spelling of 1261251114 in words is "one billion, two hundred sixty-one million, two hundred fifty-one thousand, one hundred fourteen".