1210534542 has 24 divisors (see below), whose sum is σ = 2997514416. Its totient is φ = 345866976.

The previous prime is 1210534537. The next prime is 1210534543. The reversal of 1210534542 is 2454350121.

1210534542 is a `hidden beast` number, since 12 + 105 + 3 + 4 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210534543) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4803583 + ... + 4803834.

It is an arithmetic number, because the mean of its divisors is an integer number (124896434).

Almost surely, 2^1210534542 is an apocalyptic number.

1210534542 is an abundant number, since it is smaller than the sum of its proper divisors (1786979874).

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

1210534542 is a wasteful number, since it uses less digits than its factorization.

1210534542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607432 (or 9607429 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1210534542 is about 34792.7369144768. The cubic root of 1210534542 is about 1065.7591307866.

Adding to 1210534542 its reverse (2454350121), we get a palindrome (3664884663).

The spelling of 1210534542 in words is "one billion, two hundred ten million, five hundred thirty-four thousand, five hundred forty-two".