1275150912 has 336 divisors, whose sum is σ = 4203021312. Its totient is φ = 339440640.

The previous prime is 1275150911. The next prime is 1275150913. The reversal of 1275150912 is 2190515721.

It is an interprime number because it is at equal distance from previous prime (1275150911) and next prime (1275150913).

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (1275150911) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 15363223 + ... + 15363305.

It is an arithmetic number, because the mean of its divisors is an integer number (12508992).

Almost surely, 2^1275150912 is an apocalyptic number.

1275150912 is a gapful number since it is divisible by the number (12) 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 1275150912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2101510656).

1275150912 is an abundant number, since it is smaller than the sum of its proper divisors (2927870400).

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

1275150912 is a wasteful number, since it uses less digits than its factorization.

1275150912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 1275150912 is about 35709.2552708678. The cubic root of 1275150912 is about 1084.3942230667.

The spelling of 1275150912 in words is "one billion, two hundred seventy-five million, one hundred fifty thousand, nine hundred twelve".