1011021434 has 8 divisors (see below), whose sum is σ = 1530445620. Its totient is φ = 500872896.

The previous prime is 1011021409. The next prime is 1011021443. The reversal of 1011021434 is 4341201101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 802305625 + 208715809 = 28325^2 + 14447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318639 + ... + 2319074.

Almost surely, 2^1011021434 is an apocalyptic number.

1011021434 is a deficient number, since it is larger than the sum of its proper divisors (519424186).

1011021434 is a wasteful number, since it uses less digits than its factorization.

1011021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637824.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1011021434 is about 31796.5632419606. The cubic root of 1011021434 is about 1003.6603964830.

Adding to 1011021434 its reverse (4341201101), we get a palindrome (5352222535).

The spelling of 1011021434 in words is "one billion, eleven million, twenty-one thousand, four hundred thirty-four".