121045439527 has 2 divisors, whose sum is σ = 121045439528. Its totient is φ = 121045439526.

The previous prime is 121045439467. The next prime is 121045439539. The reversal of 121045439527 is 725934540121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121045439527 - 2¹⁵ = 121045406759 is a prime.

It is a super-2 number, since 2×121045439527² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121045439327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60522719763 + 60522719764.

It is an arithmetic number, because the mean of its divisors is an integer number (60522719764).

Almost surely, 2^121045439527 is an apocalyptic number.

121045439527 is a deficient number, since it is larger than the sum of its proper divisors (1).

121045439527 is an equidigital number, since it uses as much as digits as its factorization.

121045439527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

Adding to 121045439527 its reverse (725934540121), we get a palindrome (846979979648).

The spelling of 121045439527 in words is "one hundred twenty-one billion, forty-five million, four hundred thirty-nine thousand, five hundred twenty-seven".