1210741749 has 20 divisors (see below), whose sum is σ = 2067016864. Its totient is φ = 691852104.

The previous prime is 1210741733. The next prime is 1210741789. The reversal of 1210741749 is 9471470121.

1210741749 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1210741749 - 2⁴ = 1210741733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210741729) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1067107 + ... + 1068240.

Almost surely, 2^1210741749 is an apocalyptic number.

It is an amenable number.

1210741749 is a deficient number, since it is larger than the sum of its proper divisors (856275115).

1210741749 is an equidigital number, since it uses as much as digits as its factorization.

1210741749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135366 (or 2135357 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1210741749 is about 34795.7145206130. The cubic root of 1210741749 is about 1065.8199359229.

The spelling of 1210741749 in words is "one billion, two hundred ten million, seven hundred forty-one thousand, seven hundred forty-nine".