1268813950 has 12 divisors (see below), whose sum is σ = 2359994040. Its totient is φ = 507525560.

The previous prime is 1268813941. The next prime is 1268813951. The reversal of 1268813950 is 593188621.

It is a super-3 number, since 3×1268813950³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268813897 and 1268813906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268813951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12688090 + ... + 12688189.

It is an arithmetic number, because the mean of its divisors is an integer number (196666170).

Almost surely, 2^1268813950 is an apocalyptic number.

1268813950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268813950 is a deficient number, since it is larger than the sum of its proper divisors (1091180090).

1268813950 is a wasteful number, since it uses less digits than its factorization.

1268813950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25376291 (or 25376286 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1268813950 is about 35620.4147926438. The cubic root of 1268813950 is about 1082.5949119133.

The spelling of 1268813950 in words is "one billion, two hundred sixty-eight million, eight hundred thirteen thousand, nine hundred fifty".