1210120434 has 12 divisors (see below), whose sum is σ = 2621927646. Its totient is φ = 403373472.

The previous prime is 1210120423. The next prime is 1210120463. The reversal of 1210120434 is 4340210121.

1210120434 is a `hidden beast` number, since 1 + 210 + 1 + 20 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1162469025 + 47651409 = 34095^2 + 6903^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67228913 = 1210120434 / (1 + 2 + 1 + 0 + 1 + 2 + 0 + 4 + 3 + 4).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33614439 + ... + 33614474.

Almost surely, 2^1210120434 is an apocalyptic number.

1210120434 is an abundant number, since it is smaller than the sum of its proper divisors (1411807212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210120434 is a wasteful number, since it uses less digits than its factorization.

1210120434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67228921 (or 67228918 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1210120434 is about 34786.7853358139. The cubic root of 1210120434 is about 1065.6375895165.

Adding to 1210120434 its reverse (4340210121), we get a palindrome (5550330555).

The spelling of 1210120434 in words is "one billion, two hundred ten million, one hundred twenty thousand, four hundred thirty-four".