1202145501 has 16 divisors (see below), whose sum is σ = 1613606400. Its totient is φ = 796074240.

The previous prime is 1202145493. The next prime is 1202145521. The reversal of 1202145501 is 1055412021.

It is not a de Polignac number, because 1202145501 - 2³ = 1202145493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202145521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346825 + ... + 350273.

It is an arithmetic number, because the mean of its divisors is an integer number (100850400).

Almost surely, 2^1202145501 is an apocalyptic number.

It is an amenable number.

1202145501 is a deficient number, since it is larger than the sum of its proper divisors (411460899).

1202145501 is a wasteful number, since it uses less digits than its factorization.

1202145501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1202145501 is about 34671.9699613391. The cubic root of 1202145501 is about 1063.2915074027.

Adding to 1202145501 its reverse (1055412021), we get a palindrome (2257557522).

The spelling of 1202145501 in words is "one billion, two hundred two million, one hundred forty-five thousand, five hundred one".