1248164892 has 36 divisors (see below), whose sum is σ = 3397783480. Its totient is φ = 384050592.

The previous prime is 1248164887. The next prime is 1248164933. The reversal of 1248164892 is 2984618421.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1333042 + ... + 1333977.

Almost surely, 2^1248164892 is an apocalyptic number.

1248164892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1248164892 is an abundant number, since it is smaller than the sum of its proper divisors (2149618588).

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

1248164892 is a wasteful number, since it uses less digits than its factorization.

1248164892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667042 (or 2667037 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1248164892 is about 35329.3771810373. The cubic root of 1248164892 is about 1076.6899374604.

The spelling of 1248164892 in words is "one billion, two hundred forty-eight million, one hundred sixty-four thousand, eight hundred ninety-two".