120501001 has 2 divisors, whose sum is σ = 120501002. Its totient is φ = 120501000.

The previous prime is 120500969. The next prime is 120501019. The reversal of 120501001 is 100105021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65221776 + 55279225 = 8076^2 + 7435^2 .

It is a cyclic number.

It is not a de Polignac number, because 120501001 - 2⁵ = 120500969 is a prime.

It is not a weakly prime, because it can be changed into another prime (120001001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60250500 + 60250501.

It is an arithmetic number, because the mean of its divisors is an integer number (60250501).

Almost surely, 2^120501001 is an apocalyptic number.

It is an amenable number.

120501001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120501001 is an equidigital number, since it uses as much as digits as its factorization.

120501001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 120501001 is about 10977.2947942560. The cubic root of 120501001 is about 493.9278921889.

Adding to 120501001 its reverse (100105021), we get a palindrome (220606022).

The spelling of 120501001 in words is "one hundred twenty million, five hundred one thousand, one".