1021203054 has 24 divisors (see below), whose sum is σ = 2283982272. Its totient is φ = 329420160.

The previous prime is 1021203049. The next prime is 1021203101. The reversal of 1021203054 is 4503021201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914499 + ... + 915614.

It is an arithmetic number, because the mean of its divisors is an integer number (95165928).

Almost surely, 2^1021203054 is an apocalyptic number.

1021203054 is an abundant number, since it is smaller than the sum of its proper divisors (1262779218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021203054 is a wasteful number, since it uses less digits than its factorization.

1021203054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830152 (or 1830149 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1021203054 is about 31956.2678359035. The cubic root of 1021203054 is about 1007.0183127202.

Adding to 1021203054 its reverse (4503021201), we get a palindrome (5524224255).

The spelling of 1021203054 in words is "one billion, twenty-one million, two hundred three thousand, fifty-four".