1275029148 has 12 divisors (see below), whose sum is σ = 2975068040. Its totient is φ = 425009712.

The previous prime is 1275029141. The next prime is 1275029149. The reversal of 1275029148 is 8419205721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275029141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53126203 + ... + 53126226.

Almost surely, 2^1275029148 is an apocalyptic number.

It is an amenable number.

1275029148 is an abundant number, since it is smaller than the sum of its proper divisors (1700038892).

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

1275029148 is a wasteful number, since it uses less digits than its factorization.

1275029148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106252436 (or 106252434 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1275029148 is about 35707.5502940205. The cubic root of 1275029148 is about 1084.3597057454.

The spelling of 1275029148 in words is "one billion, two hundred seventy-five million, twenty-nine thousand, one hundred forty-eight".