1272285502 has 8 divisors (see below), whose sum is σ = 1912680000. Its totient is φ = 634725504.

The previous prime is 1272285463. The next prime is 1272285541. The reversal of 1272285502 is 2055822721.

It is an interprime number because it is at equal distance from previous prime (1272285463) and next prime (1272285541).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707502 + ... + 709297.

It is an arithmetic number, because the mean of its divisors is an integer number (239085000).

Almost surely, 2^1272285502 is an apocalyptic number.

1272285502 is a deficient number, since it is larger than the sum of its proper divisors (640394498).

1272285502 is a wasteful number, since it uses less digits than its factorization.

1272285502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417250.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 1272285502 is about 35669.1113149739. Note that the first 3 decimals coincide. The cubic root of 1272285502 is about 1083.5813612665.

The spelling of 1272285502 in words is "one billion, two hundred seventy-two million, two hundred eighty-five thousand, five hundred two".