1011243454 has 16 divisors (see below), whose sum is σ = 1651905360. Its totient is φ = 461482560.

The previous prime is 1011243451. The next prime is 1011243491. The reversal of 1011243454 is 4543421101.

It is a super-3 number, since 3×1011243454³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011243451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 216192 + ... + 220819.

It is an arithmetic number, because the mean of its divisors is an integer number (103244085).

Almost surely, 2^1011243454 is an apocalyptic number.

1011243454 is a deficient number, since it is larger than the sum of its proper divisors (640661906).

1011243454 is a wasteful number, since it uses less digits than its factorization.

1011243454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437115.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1011243454 is about 31800.0543081297. The cubic root of 1011243454 is about 1003.7338589453.

Adding to 1011243454 its reverse (4543421101), we get a palindrome (5554664555).

The spelling of 1011243454 in words is "one billion, eleven million, two hundred forty-three thousand, four hundred fifty-four".