1275250102 has 16 divisors (see below), whose sum is σ = 2187184032. Its totient is φ = 546275520.

The previous prime is 1275250057. The next prime is 1275250133. The reversal of 1275250102 is 2010525721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10402 + ... + 51562.

It is an arithmetic number, because the mean of its divisors is an integer number (136699002).

Almost surely, 2^1275250102 is an apocalyptic number.

1275250102 is a deficient number, since it is larger than the sum of its proper divisors (911933930).

1275250102 is a wasteful number, since it uses less digits than its factorization.

1275250102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43383.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1275250102 is about 35710.6440994838. The cubic root of 1275250102 is about 1084.4223395490.

Adding to 1275250102 its reverse (2010525721), we get a palindrome (3285775823).

The spelling of 1275250102 in words is "one billion, two hundred seventy-five million, two hundred fifty thousand, one hundred two".