121481864747 has 2 divisors, whose sum is σ = 121481864748. Its totient is φ = 121481864746.

The previous prime is 121481864737. The next prime is 121481864759. The reversal of 121481864747 is 747468184121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121481864747 - 2²² = 121477670443 is a prime.

It is not a weakly prime, because it can be changed into another prime (121481864737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60740932373 + 60740932374.

It is an arithmetic number, because the mean of its divisors is an integer number (60740932374).

Almost surely, 2^121481864747 is an apocalyptic number.

121481864747 is a deficient number, since it is larger than the sum of its proper divisors (1).

121481864747 is an equidigital number, since it uses as much as digits as its factorization.

121481864747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2408448, while the sum is 53.

The spelling of 121481864747 in words is "one hundred twenty-one billion, four hundred eighty-one million, eight hundred sixty-four thousand, seven hundred forty-seven".