1249923088 has 10 divisors (see below), whose sum is σ = 2421726014. Its totient is φ = 624961536.

The previous prime is 1249923071. The next prime is 1249923091. The reversal of 1249923088 is 8803299421.

It can be written as a sum of positive squares in only one way, i.e., 1152466704 + 97456384 = 33948^2 + 9872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39060081 + ... + 39060112.

Almost surely, 2^1249923088 is an apocalyptic number.

It is an amenable number.

1249923088 is a deficient number, since it is larger than the sum of its proper divisors (1171802926).

1249923088 is an equidigital number, since it uses as much as digits as its factorization.

1249923088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78120201 (or 78120195 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1249923088 is about 35354.2513426603. The cubic root of 1249923088 is about 1077.1952509787.

The spelling of 1249923088 in words is "one billion, two hundred forty-nine million, nine hundred twenty-three thousand, eighty-eight".