1042100046 has 32 divisors (see below), whose sum is σ = 2493916320. Its totient is φ = 320645952.

The previous prime is 1042100041. The next prime is 1042100047. The reversal of 1042100046 is 6400012401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042100041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741535 + ... + 742938.

It is an arithmetic number, because the mean of its divisors is an integer number (77934885).

Almost surely, 2^1042100046 is an apocalyptic number.

1042100046 is an abundant number, since it is smaller than the sum of its proper divisors (1451816274).

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

1042100046 is a wasteful number, since it uses less digits than its factorization.

1042100046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484497 (or 1484491 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1042100046 is about 32281.5744039847. The cubic root of 1042100046 is about 1013.8408944718.

Adding to 1042100046 its reverse (6400012401), we get a palindrome (7442112447).

The spelling of 1042100046 in words is "one billion, forty-two million, one hundred thousand, forty-six".