121425045535 has 16 divisors (see below), whose sum is σ = 148639955904. Its totient is φ = 95191229952.

The previous prime is 121425045523. The next prime is 121425045541. The reversal of 121425045535 is 535540524121.

It is a cyclic number.

It is not a de Polignac number, because 121425045535 - 2⁷ = 121425045407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121425045494 and 121425045503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60282 + ... + 496471.

It is an arithmetic number, because the mean of its divisors is an integer number (9289997244).

Almost surely, 2^121425045535 is an apocalyptic number.

121425045535 is a deficient number, since it is larger than the sum of its proper divisors (27214910369).

121425045535 is an equidigital number, since it uses as much as digits as its factorization.

121425045535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557634.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 121425045535 its reverse (535540524121), we get a palindrome (656965569656).

The spelling of 121425045535 in words is "one hundred twenty-one billion, four hundred twenty-five million, forty-five thousand, five hundred thirty-five".