1042431550 has 12 divisors (see below), whose sum is σ = 1938922776. Its totient is φ = 416972600.

The previous prime is 1042431547. The next prime is 1042431589. The reversal of 1042431550 is 551342401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10424266 + ... + 10424365.

It is an arithmetic number, because the mean of its divisors is an integer number (161576898).

Almost surely, 2^1042431550 is an apocalyptic number.

1042431550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042431550 is a deficient number, since it is larger than the sum of its proper divisors (896491226).

1042431550 is a wasteful number, since it uses less digits than its factorization.

1042431550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20848643 (or 20848638 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1042431550 is about 32286.7085656002. The cubic root of 1042431550 is about 1013.9483878874.

Adding to 1042431550 its reverse (551342401), we get a palindrome (1593773951).

The spelling of 1042431550 in words is "one billion, forty-two million, four hundred thirty-one thousand, five hundred fifty".