1011825142 has 32 divisors (see below), whose sum is σ = 1653644160. Its totient is φ = 462443520.

The previous prime is 1011825077. The next prime is 1011825149. The reversal of 1011825142 is 2415281101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011825149) 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 15 ways as a sum of consecutive naturals, for example, 331648 + ... + 334684.

It is an arithmetic number, because the mean of its divisors is an integer number (51676380).

Almost surely, 2^1011825142 is an apocalyptic number.

1011825142 is a deficient number, since it is larger than the sum of its proper divisors (641819018).

1011825142 is a wasteful number, since it uses less digits than its factorization.

1011825142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1011825142 is about 31809.1990153792. The cubic root of 1011825142 is about 1003.9262781644.

The spelling of 1011825142 in words is "one billion, eleven million, eight hundred twenty-five thousand, one hundred forty-two".