1282470690 has 32 divisors (see below), whose sum is σ = 3161119680. Its totient is φ = 332748864.

The previous prime is 1282470689. The next prime is 1282470719. The reversal of 1282470690 is 960742821.

It is a super-2 number, since 2×1282470690² = 3289462141418152200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576580 + ... + 578799.

It is an arithmetic number, because the mean of its divisors is an integer number (98784990).

Almost surely, 2^1282470690 is an apocalyptic number.

1282470690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1282470690 is an abundant number, since it is smaller than the sum of its proper divisors (1878648990).

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

1282470690 is a wasteful number, since it uses less digits than its factorization.

1282470690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155426.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1282470690 is about 35811.5999363335. The cubic root of 1282470690 is about 1086.4651897703.

The spelling of 1282470690 in words is "one billion, two hundred eighty-two million, four hundred seventy thousand, six hundred ninety".