1293132290 has 64 divisors (see below), whose sum is σ = 2422344960. Its totient is φ = 496800000.

The previous prime is 1293132271. The next prime is 1293132329. The reversal of 1293132290 is 922313921.

It is a super-2 number, since 2×1293132290² = 3344382238881288200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8563715 + ... + 8563865.

It is an arithmetic number, because the mean of its divisors is an integer number (37849140).

Almost surely, 2^1293132290 is an apocalyptic number.

1293132290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1293132290 is a deficient number, since it is larger than the sum of its proper divisors (1129212670).

1293132290 is a wasteful number, since it uses less digits than its factorization.

1293132290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1293132290 is about 35960.1486370677. The cubic root of 1293132290 is about 1089.4675990424.

The spelling of 1293132290 in words is "one billion, two hundred ninety-three million, one hundred thirty-two thousand, two hundred ninety".