1042121454 has 48 divisors (see below), whose sum is σ = 2425734864. Its totient is φ = 297214720.

The previous prime is 1042121453. The next prime is 1042121461. The reversal of 1042121454 is 4541212401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042121453) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 29877 + ... + 54560.

It is an arithmetic number, because the mean of its divisors is an integer number (50536143).

Almost surely, 2^1042121454 is an apocalyptic number.

1042121454 is an abundant number, since it is smaller than the sum of its proper divisors (1383613410).

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

1042121454 is a wasteful number, since it uses less digits than its factorization.

1042121454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84481 (or 84470 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1042121454 is about 32281.9059846224. The cubic root of 1042121454 is about 1013.8478369138.

Adding to 1042121454 its reverse (4541212401), we get a palindrome (5583333855).

The spelling of 1042121454 in words is "one billion, forty-two million, one hundred twenty-one thousand, four hundred fifty-four".