1042450551 has 24 divisors (see below), whose sum is σ = 1577112576. Its totient is φ = 662262480.

The previous prime is 1042450529. The next prime is 1042450567. The reversal of 1042450551 is 1550542401.

1042450551 is a `hidden beast` number, since 104 + 2 + 4 + 5 + 0 + 551 = 666.

1042450551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1042450551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042450571) 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, 46806 + ... + 65388.

It is an arithmetic number, because the mean of its divisors is an integer number (65713024).

Almost surely, 2^1042450551 is an apocalyptic number.

1042450551 is a deficient number, since it is larger than the sum of its proper divisors (534662025).

1042450551 is a wasteful number, since it uses less digits than its factorization.

1042450551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18883 (or 18880 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1042450551 is about 32287.0028184717. The cubic root of 1042450551 is about 1013.9545484570.

Adding to 1042450551 its reverse (1550542401), we get a palindrome (2592992952).

The spelling of 1042450551 in words is "one billion, forty-two million, four hundred fifty thousand, five hundred fifty-one".