1242141033 has 24 divisors (see below), whose sum is σ = 1939550400. Its totient is φ = 705018720.

The previous prime is 1242141031. The next prime is 1242141037. The reversal of 1242141033 is 3301412421.

It is not a de Polignac number, because 1242141033 - 2¹ = 1242141031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1242141031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6453 + ... + 50258.

It is an arithmetic number, because the mean of its divisors is an integer number (80814600).

Almost surely, 2^1242141033 is an apocalyptic number.

It is an amenable number.

1242141033 is a deficient number, since it is larger than the sum of its proper divisors (697409367).

1242141033 is a wasteful number, since it uses less digits than its factorization.

1242141033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56877 (or 56870 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1242141033 is about 35244.0212376511. The cubic root of 1242141033 is about 1074.9550463985.

Adding to 1242141033 its reverse (3301412421), we get a palindrome (4543553454).

The spelling of 1242141033 in words is "one billion, two hundred forty-two million, one hundred forty-one thousand, thirty-three".