1264352742 has 12 divisors (see below), whose sum is σ = 2739430980. Its totient is φ = 421450908.

The previous prime is 1264352741. The next prime is 1264352783. The reversal of 1264352742 is 2472534621.

1264352742 is a `hidden beast` number, since 1 + 2 + 643 + 5 + 2 + 7 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1264352697 and 1264352706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264352741) 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 5 ways as a sum of consecutive naturals, for example, 35120892 + ... + 35120927.

It is an arithmetic number, because the mean of its divisors is an integer number (228285915).

Almost surely, 2^1264352742 is an apocalyptic number.

1264352742 is an abundant number, since it is smaller than the sum of its proper divisors (1475078238).

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

1264352742 is a wasteful number, since it uses less digits than its factorization.

1264352742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70241827 (or 70241824 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 1264352742 is about 35557.7381451633. The cubic root of 1264352742 is about 1081.3246041521.

The spelling of 1264352742 in words is "one billion, two hundred sixty-four million, three hundred fifty-two thousand, seven hundred forty-two".