1202023424 has 132 divisors (see below), whose sum is σ = 2879785104. Its totient is φ = 491200512.

The previous prime is 1202023423. The next prime is 1202023507. The reversal of 1202023424 is 4243202021.

1202023424 = 2652² + 2653² + ... + 2812².

It is a junction number, because it is equal to n+sod(n) for n = 1202023396 and 1202023405.

It is not an unprimeable number, because it can be changed into a prime (1202023423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3791714 + ... + 3792030.

Almost surely, 2^1202023424 is an apocalyptic number.

1202023424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202023424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439892552).

1202023424 is an abundant number, since it is smaller than the sum of its proper divisors (1677761680).

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

1202023424 is an equidigital number, since it uses as much as digits as its factorization.

1202023424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1202023424 is about 34670.2094599961. The cubic root of 1202023424 is about 1063.2555140249.

Adding to 1202023424 its reverse (4243202021), we get a palindrome (5445225445).

The spelling of 1202023424 in words is "one billion, two hundred two million, twenty-three thousand, four hundred twenty-four".