1021241154453 has 16 divisors (see below), whose sum is σ = 1475737675776. Its totient is φ = 624453186240.

The previous prime is 1021241154449. The next prime is 1021241154473. The reversal of 1021241154453 is 3544511421201.

It is not a de Polignac number, because 1021241154453 - 2² = 1021241154449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021241154473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83387733 + ... + 83399978.

It is an arithmetic number, because the mean of its divisors is an integer number (92233604736).

Almost surely, 2^{1021241154453} is an apocalyptic number.

1021241154453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1021241154453 is a deficient number, since it is larger than the sum of its proper divisors (454496521323).

1021241154453 is a wasteful number, since it uses less digits than its factorization.

1021241154453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166787884.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 1021241154453 its reverse (3544511421201), we get a palindrome (4565752575654).

The spelling of 1021241154453 in words is "one trillion, twenty-one billion, two hundred forty-one million, one hundred fifty-four thousand, four hundred fifty-three".