1142020300 has 18 divisors (see below), whose sum is σ = 2478184268. Its totient is φ = 456808080.

The previous prime is 1142020283. The next prime is 1142020333. The reversal of 1142020300 is 30202411.

It is a super-2 number, since 2×1142020300² = 2608420731224180000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5710002 + ... + 5710201.

Almost surely, 2^1142020300 is an apocalyptic number.

1142020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142020300 is an abundant number, since it is smaller than the sum of its proper divisors (1336163968).

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

1142020300 is a wasteful number, since it uses less digits than its factorization.

1142020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11420217 (or 11420210 counting only the distinct ones).

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

The square root of 1142020300 is about 33793.7908497996. The cubic root of 1142020300 is about 1045.2606661840.

Adding to 1142020300 its reverse (30202411), we get a palindrome (1172222711).

The spelling of 1142020300 in words is "one billion, one hundred forty-two million, twenty thousand, three hundred".