1200325491 has 24 divisors (see below), whose sum is σ = 1749533760. Its totient is φ = 792990000.

The previous prime is 1200325481. The next prime is 1200325493. The reversal of 1200325491 is 1945230021.

It is not a de Polignac number, because 1200325491 - 2¹⁴ = 1200309107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200325493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532116 + ... + 534366.

It is an arithmetic number, because the mean of its divisors is an integer number (72897240).

Almost surely, 2^1200325491 is an apocalyptic number.

1200325491 is a deficient number, since it is larger than the sum of its proper divisors (549208269).

1200325491 is a wasteful number, since it uses less digits than its factorization.

1200325491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1200325491 is about 34645.7138907542. The cubic root of 1200325491 is about 1062.7546398860.

The spelling of 1200325491 in words is "one billion, two hundred million, three hundred twenty-five thousand, four hundred ninety-one".