1021200430 has 8 divisors (see below), whose sum is σ = 1838160792. Its totient is φ = 408480168.

The previous prime is 1021200347. The next prime is 1021200469. The reversal of 1021200430 is 340021201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1021200430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51060012 + ... + 51060031.

It is an arithmetic number, because the mean of its divisors is an integer number (229770099).

Almost surely, 2^1021200430 is an apocalyptic number.

1021200430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021200430 is a deficient number, since it is larger than the sum of its proper divisors (816960362).

1021200430 is a wasteful number, since it uses less digits than its factorization.

1021200430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102120050.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1021200430 is about 31956.2267797686. The cubic root of 1021200430 is about 1007.0174502021.

Adding to 1021200430 its reverse (340021201), we get a palindrome (1361221631).

The spelling of 1021200430 in words is "one billion, twenty-one million, two hundred thousand, four hundred thirty".