122002487 has 2 divisors, whose sum is σ = 122002488. Its totient is φ = 122002486.

The previous prime is 122002483. The next prime is 122002537. The reversal of 122002487 is 784200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122002487 - 2² = 122002483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122002483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001243 + 61001244.

It is an arithmetic number, because the mean of its divisors is an integer number (61001244).

Almost surely, 2^122002487 is an apocalyptic number.

122002487 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002487 is an equidigital number, since it uses as much as digits as its factorization.

122002487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 122002487 is about 11045.4735978137. The cubic root of 122002487 is about 495.9709365016.

The spelling of 122002487 in words is "one hundred twenty-two million, two thousand, four hundred eighty-seven".