1282453642 has 12 divisors (see below), whose sum is σ = 2010956850. Its totient is φ = 613346888.

The previous prime is 1282453607. The next prime is 1282453651. The reversal of 1282453642 is 2463542821.

It can be written as a sum of positive squares in only one way, i.e., 1282427721 + 25921 = 35811^2 + 161^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605017 + ... + 607132.

Almost surely, 2^1282453642 is an apocalyptic number.

1282453642 is a deficient number, since it is larger than the sum of its proper divisors (728503208).

1282453642 is a wasteful number, since it uses less digits than its factorization.

1282453642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212197 (or 1212174 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 1282453642 is about 35811.3619121083. The cubic root of 1282453642 is about 1086.4603755887.

It can be divided in two parts, 12824 and 53642, that added together give a palindrome (66466).

The spelling of 1282453642 in words is "one billion, two hundred eighty-two million, four hundred fifty-three thousand, six hundred forty-two".