1294058985 has 32 divisors (see below), whose sum is σ = 2125664640. Its totient is φ = 671881728.

The previous prime is 1294058981. The next prime is 1294059031. The reversal of 1294058985 is 5898504921.

It is not a de Polignac number, because 1294058985 - 2² = 1294058981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1294058981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201301 + ... + 207629.

It is an arithmetic number, because the mean of its divisors is an integer number (66427020).

Almost surely, 2^1294058985 is an apocalyptic number.

1294058985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1294058985 is a deficient number, since it is larger than the sum of its proper divisors (831605655).

1294058985 is a wasteful number, since it uses less digits than its factorization.

1294058985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697.

The product of its (nonzero) digits is 1036800, while the sum is 51.

The square root of 1294058985 is about 35973.0313568373. The cubic root of 1294058985 is about 1089.7277846167.

The spelling of 1294058985 in words is "one billion, two hundred ninety-four million, fifty-eight thousand, nine hundred eighty-five".