1202120103 has 16 divisors (see below), whose sum is σ = 1644445440. Its totient is φ = 780845184.

The previous prime is 1202120089. The next prime is 1202120119. The reversal of 1202120103 is 3010212021.

It is not a de Polignac number, because 1202120103 - 2⁹ = 1202119591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202121103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10051 + ... + 50052.

It is an arithmetic number, because the mean of its divisors is an integer number (102777840).

Almost surely, 2^1202120103 is an apocalyptic number.

1202120103 is a deficient number, since it is larger than the sum of its proper divisors (442325337).

1202120103 is a wasteful number, since it uses less digits than its factorization.

1202120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60278.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1202120103 is about 34671.6036981274. The cubic root of 1202120103 is about 1063.2840192165.

Adding to 1202120103 its reverse (3010212021), we get a palindrome (4212332124).

The spelling of 1202120103 in words is "one billion, two hundred two million, one hundred twenty thousand, one hundred three".