1208750000 has 80 divisors (see below), whose sum is σ = 2930461248. Its totient is φ = 483000000.

The previous prime is 1208749979. The next prime is 1208750021. The reversal of 1208750000 is 578021.

It is an interprime number because it is at equal distance from previous prime (1208749979) and next prime (1208750021).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1208750000² = 2922153125000000000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249517 + ... + 1250483.

Almost surely, 2^1208750000 is an apocalyptic number.

1208750000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465230624).

1208750000 is an abundant number, since it is smaller than the sum of its proper divisors (1721711248).

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

1208750000 is an frugal number, since it uses more digits than its factorization.

1208750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1208750000 is about 34767.0821323849. The cubic root of 1208750000 is about 1065.2351674173.

The spelling of 1208750000 in words is "one billion, two hundred eight million, seven hundred fifty thousand".