1210120993 has 8 divisors (see below), whose sum is σ = 1226036448. Its totient is φ = 1194237504.

The previous prime is 1210120957. The next prime is 1210120997. The reversal of 1210120993 is 3990210121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210120993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210120997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73630 + ... + 88552.

It is an arithmetic number, because the mean of its divisors is an integer number (153254556).

Almost surely, 2^1210120993 is an apocalyptic number.

It is an amenable number.

1210120993 is a deficient number, since it is larger than the sum of its proper divisors (15915455).

1210120993 is an equidigital number, since it uses as much as digits as its factorization.

1210120993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15983.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1210120993 is about 34786.7933704732. The cubic root of 1210120993 is about 1065.6377536025.

The spelling of 1210120993 in words is "one billion, two hundred ten million, one hundred twenty thousand, nine hundred ninety-three".