1203121010 has 96 divisors (see below), whose sum is σ = 2754440640. Its totient is φ = 374951808.

The previous prime is 1203120977. The next prime is 1203121019. The reversal of 1203121010 is 101213021.

It is a junction number, because it is equal to n+sod(n) for n = 1203120982 and 1203121000.

It is not an unprimeable number, because it can be changed into a prime (1203121019) 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 47 ways as a sum of consecutive naturals, for example, 425381 + ... + 428199.

It is an arithmetic number, because the mean of its divisors is an integer number (28692090).

Almost surely, 2^1203121010 is an apocalyptic number.

1203121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203121010 is an abundant number, since it is smaller than the sum of its proper divisors (1551319630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203121010 is a wasteful number, since it uses less digits than its factorization.

1203121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1203121010 is about 34686.0347978837. The cubic root of 1203121010 is about 1063.5790405379.

Adding to 1203121010 its reverse (101213021), we get a palindrome (1304334031).

The spelling of 1203121010 in words is "one billion, two hundred three million, one hundred twenty-one thousand, ten".