1021354552 has 16 divisors (see below), whose sum is σ = 1918402200. Its totient is φ = 509780640.

The previous prime is 1021354541. The next prime is 1021354559. The reversal of 1021354552 is 2554531201.

It is a super-2 number, since 2×1021354552² = 2086330241782241408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021354552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021354559) 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 3 ways as a sum of consecutive naturals, for example, 107227 + ... + 116362.

Almost surely, 2^1021354552 is an apocalyptic number.

It is an amenable number.

1021354552 is a deficient number, since it is larger than the sum of its proper divisors (897047648).

1021354552 is a wasteful number, since it uses less digits than its factorization.

1021354552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224166 (or 224162 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1021354552 is about 31958.6381437007. The cubic root of 1021354552 is about 1007.0681081441.

Adding to 1021354552 its reverse (2554531201), we get a palindrome (3575885753).

The spelling of 1021354552 in words is "one billion, twenty-one million, three hundred fifty-four thousand, five hundred fifty-two".