1011204142 has 16 divisors (see below), whose sum is σ = 1648754352. Its totient is φ = 462346560.

The previous prime is 1011204109. The next prime is 1011204143. The reversal of 1011204142 is 2414021101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011204143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178959 + ... + 184522.

It is an arithmetic number, because the mean of its divisors is an integer number (103047147).

Almost surely, 2^1011204142 is an apocalyptic number.

1011204142 is a deficient number, since it is larger than the sum of its proper divisors (637550210).

1011204142 is a wasteful number, since it uses less digits than its factorization.

1011204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363603.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1011204142 is about 31799.4361899704. The cubic root of 1011204142 is about 1003.7208520883.

Adding to 1011204142 its reverse (2414021101), we get a palindrome (3425225243).

The spelling of 1011204142 in words is "one billion, eleven million, two hundred four thousand, one hundred forty-two".