1201231982 has 8 divisors (see below), whose sum is σ = 1801995552. Its totient is φ = 600566800.

The previous prime is 1201231979. The next prime is 1201231987. The reversal of 1201231982 is 2891321021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201231987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31682 + ... + 58362.

It is an arithmetic number, because the mean of its divisors is an integer number (225249444).

Almost surely, 2^1201231982 is an apocalyptic number.

1201231982 is a deficient number, since it is larger than the sum of its proper divisors (600763570).

1201231982 is a wasteful number, since it uses less digits than its factorization.

1201231982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49194.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1201231982 is about 34658.7937181893. The cubic root of 1201231982 is about 1063.0221048665.

The spelling of 1201231982 in words is "one billion, two hundred one million, two hundred thirty-one thousand, nine hundred eighty-two".