1268374142 has 16 divisors (see below), whose sum is σ = 2176035840. Its totient is φ = 543168888.

The previous prime is 1268374141. The next prime is 1268374157. The reversal of 1268374142 is 2414738621.

It is a junction number, because it is equal to n+sod(n) for n = 1268374096 and 1268374105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268374141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15878 + ... + 52809.

It is an arithmetic number, because the mean of its divisors is an integer number (136002240).

Almost surely, 2^1268374142 is an apocalyptic number.

1268374142 is a deficient number, since it is larger than the sum of its proper divisors (907661698).

1268374142 is a wasteful number, since it uses less digits than its factorization.

1268374142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70015.

The product of its digits is 64512, while the sum is 38.

The square root of 1268374142 is about 35614.2407191281. The cubic root of 1268374142 is about 1082.4698111115.

The spelling of 1268374142 in words is "one billion, two hundred sixty-eight million, three hundred seventy-four thousand, one hundred forty-two".