1042120300 has 36 divisors (see below), whose sum is σ = 2435358016. Its totient is φ = 384782400.

The previous prime is 1042120283. The next prime is 1042120301. The reversal of 1042120300 is 30212401.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1042120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399516 + ... + 402115.

Almost surely, 2^1042120300 is an apocalyptic number.

1042120300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042120300 is an abundant number, since it is smaller than the sum of its proper divisors (1393237716).

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

1042120300 is a wasteful number, since it uses less digits than its factorization.

1042120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801658 (or 801651 counting only the distinct ones).

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

The square root of 1042120300 is about 32281.8881108277. Note that the first 3 decimals coincide. The cubic root of 1042120300 is about 1013.8474626833.

Adding to 1042120300 its reverse (30212401), we get a palindrome (1072332701).

The spelling of 1042120300 in words is "one billion, forty-two million, one hundred twenty thousand, three hundred".