121045426526 has 4 divisors (see below), whose sum is σ = 181568139792. Its totient is φ = 60522713262.

The previous prime is 121045426501. The next prime is 121045426547. The reversal of 121045426526 is 625624540121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 625624540121 = 7 ⋅89374934303.

It is a super-2 number, since 2×121045426526² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121045426526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30261356630 + ... + 30261356633.

It is an arithmetic number, because the mean of its divisors is an integer number (45392034948).

Almost surely, 2^121045426526 is an apocalyptic number.

121045426526 is a deficient number, since it is larger than the sum of its proper divisors (60522713266).

121045426526 is an equidigital number, since it uses as much as digits as its factorization.

121045426526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60522713265.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 121045426526 its reverse (625624540121), we get a palindrome (746669966647).

The spelling of 121045426526 in words is "one hundred twenty-one billion, forty-five million, four hundred twenty-six thousand, five hundred twenty-six".