1042121535502 has 8 divisors (see below), whose sum is σ = 1563322545000. Its totient is φ = 521014020504.

The previous prime is 1042121535491. The next prime is 1042121535503. The reversal of 1042121535502 is 2055351212401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042121535503) 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 3 ways as a sum of consecutive naturals, for example, 23345752 + ... + 23390347.

It is an arithmetic number, because the mean of its divisors is an integer number (195415318125).

Almost surely, 2^{1042121535502} is an apocalyptic number.

1042121535502 is a deficient number, since it is larger than the sum of its proper divisors (521201009498).

1042121535502 is a wasteful number, since it uses less digits than its factorization.

1042121535502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46747250.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1042121535502 its reverse (2055351212401), we get a palindrome (3097472747903).

The spelling of 1042121535502 in words is "one trillion, forty-two billion, one hundred twenty-one million, five hundred thirty-five thousand, five hundred two".