1021201499 has 2 divisors, whose sum is σ = 1021201500. Its totient is φ = 1021201498.

The previous prime is 1021201483. The next prime is 1021201507. The reversal of 1021201499 is 9941021201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021201499 - 2⁴ = 1021201483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021201409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510600749 + 510600750.

It is an arithmetic number, because the mean of its divisors is an integer number (510600750).

Almost surely, 2^1021201499 is an apocalyptic number.

1021201499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021201499 is an equidigital number, since it uses as much as digits as its factorization.

1021201499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1021201499 is about 31956.2435057689. The cubic root of 1021201499 is about 1007.0178015864.

The spelling of 1021201499 in words is "one billion, twenty-one million, two hundred one thousand, four hundred ninety-nine".