1268155036 has 12 divisors (see below), whose sum is σ = 2295798120. Its totient is φ = 612212720.

The previous prime is 1268155033. The next prime is 1268155061. The reversal of 1268155036 is 6305518621.

It is a super-2 number, since 2×1268155036² = 3216434390664322592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268154986 and 1268155004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268155033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5466070 + ... + 5466301.

It is an arithmetic number, because the mean of its divisors is an integer number (191316510).

Almost surely, 2^1268155036 is an apocalyptic number.

It is an amenable number.

1268155036 is a deficient number, since it is larger than the sum of its proper divisors (1027643084).

1268155036 is a wasteful number, since it uses less digits than its factorization.

1268155036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932404 (or 10932402 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1268155036 is about 35611.1644853127. The cubic root of 1268155036 is about 1082.4074769046.

The spelling of 1268155036 in words is "one billion, two hundred sixty-eight million, one hundred fifty-five thousand, thirty-six".