1202123013 has 64 divisors (see below), whose sum is σ = 2017075200. Its totient is φ = 620006400.

The previous prime is 1202122997. The next prime is 1202123017. The reversal of 1202123013 is 3103212021.

It is not a de Polignac number, because 1202123013 - 2⁴ = 1202122997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202122983 and 1202123001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202123017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2997613 + ... + 2998013.

It is an arithmetic number, because the mean of its divisors is an integer number (31516800).

Almost surely, 2^1202123013 is an apocalyptic number.

1202123013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1202123013 is a deficient number, since it is larger than the sum of its proper divisors (814952187).

1202123013 is a wasteful number, since it uses less digits than its factorization.

1202123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1202123013 is about 34671.6456632794. The cubic root of 1202123013 is about 1063.2848771879.

Adding to 1202123013 its reverse (3103212021), we get a palindrome (4305335034).

The spelling of 1202123013 in words is "one billion, two hundred two million, one hundred twenty-three thousand, thirteen".