1202023101 has 8 divisors (see below), whose sum is σ = 1605289120. Its totient is φ = 800052912.

The previous prime is 1202023057. The next prime is 1202023103. The reversal of 1202023101 is 1013202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1202023101 - 2¹¹ = 1202021053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202023103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321790 + ... + 325503.

It is an arithmetic number, because the mean of its divisors is an integer number (200661140).

Almost surely, 2^1202023101 is an apocalyptic number.

It is an amenable number.

1202023101 is a deficient number, since it is larger than the sum of its proper divisors (403266019).

1202023101 is an equidigital number, since it uses as much as digits as its factorization.

1202023101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647915.

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

The square root of 1202023101 is about 34670.2048018179. The cubic root of 1202023101 is about 1063.2554187879.

Adding to 1202023101 its reverse (1013202021), we get a palindrome (2215225122).

The spelling of 1202023101 in words is "one billion, two hundred two million, twenty-three thousand, one hundred one".