1264854162 has 96 divisors (see below), whose sum is σ = 3157689024. Its totient is φ = 332928000.

The previous prime is 1264854161. The next prime is 1264854163. The reversal of 1264854162 is 2614584621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1264854161) and next prime (1264854163).

It is a super-2 number, since 2×1264854162² = 3199712102257444488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1264854162.

It is not an unprimeable number, because it can be changed into a prime (1264854161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245412 + ... + 250512.

It is an arithmetic number, because the mean of its divisors is an integer number (32892594).

Almost surely, 2^1264854162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264854162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578844512).

1264854162 is an abundant number, since it is smaller than the sum of its proper divisors (1892834862).

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

1264854162 is a wasteful number, since it uses less digits than its factorization.

1264854162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164 (or 5147 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 1264854162 is about 35564.7882321827. The cubic root of 1264854162 is about 1081.4675300159.

The spelling of 1264854162 in words is "one billion, two hundred sixty-four million, eight hundred fifty-four thousand, one hundred sixty-two".