1248120888 has 32 divisors (see below), whose sum is σ = 3566060160. Its totient is φ = 356605920.

The previous prime is 1248120877. The next prime is 1248120911. The reversal of 1248120888 is 8880218421.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3714478 + ... + 3714813.

It is an arithmetic number, because the mean of its divisors is an integer number (111439380).

Almost surely, 2^1248120888 is an apocalyptic number.

It is an amenable number.

1248120888 is an abundant number, since it is smaller than the sum of its proper divisors (2317939272).

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

1248120888 is a wasteful number, since it uses less digits than its factorization.

1248120888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429307 (or 7429303 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 42.

The square root of 1248120888 is about 35328.7544077059. The cubic root of 1248120888 is about 1076.6772844257.

The spelling of 1248120888 in words is "one billion, two hundred forty-eight million, one hundred twenty thousand, eight hundred eighty-eight".