1242433044 has 36 divisors (see below), whose sum is σ = 3277144416. Its totient is φ = 396137808.

The previous prime is 1242433043. The next prime is 1242433057. The reversal of 1242433044 is 4403342421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1242432999 and 1242433017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242433043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749434 + ... + 751089.

Almost surely, 2^1242433044 is an apocalyptic number.

It is an amenable number.

1242433044 is an abundant number, since it is smaller than the sum of its proper divisors (2034711372).

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

1242433044 is a wasteful number, since it uses less digits than its factorization.

1242433044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500556 (or 1500551 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1242433044 is about 35248.1636968509. The cubic root of 1242433044 is about 1075.0392757238.

Adding to 1242433044 its reverse (4403342421), we get a palindrome (5645775465).

The spelling of 1242433044 in words is "one billion, two hundred forty-two million, four hundred thirty-three thousand, forty-four".