1021242134 has 32 divisors (see below), whose sum is σ = 1819756800. Its totient is φ = 424599840.

The previous prime is 1021242127. The next prime is 1021242149. The reversal of 1021242134 is 4312421201.

It is a congruent number.

It is an unprimeable number.

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, 30002 + ... + 54245.

It is an arithmetic number, because the mean of its divisors is an integer number (56867400).

Almost surely, 2^1021242134 is an apocalyptic number.

1021242134 is a deficient number, since it is larger than the sum of its proper divisors (798514666).

1021242134 is a wasteful number, since it uses less digits than its factorization.

1021242134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84308.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1021242134 is about 31956.8792906942. The cubic root of 1021242134 is about 1007.0311582797.

Adding to 1021242134 its reverse (4312421201), we get a palindrome (5333663335).

The spelling of 1021242134 in words is "one billion, twenty-one million, two hundred forty-two thousand, one hundred thirty-four".