1054025101021 has 16 divisors (see below), whose sum is σ = 1075264972848. Its totient is φ = 1032836313600.

The previous prime is 1054025101009. The next prime is 1054025101033. The reversal of 1054025101021 is 1201015204501.

It is an interprime number because it is at equal distance from previous prime (1054025101009) and next prime (1054025101033).

It can be written as a sum of positive squares in 8 ways, for example, as 909927225 + 1053115173796 = 30165^2 + 1026214^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054025101021 - 2¹⁹ = 1054024576733 is a prime.

It is a super-2 number, since 2×1054025101021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1054025100983 and 1054025101001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054025101091) 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, 183593211 + ... + 183598951.

It is an arithmetic number, because the mean of its divisors is an integer number (67204060803).

Almost surely, 2^{1054025101021} is an apocalyptic number.

It is an amenable number.

1054025101021 is a deficient number, since it is larger than the sum of its proper divisors (21239871827).

1054025101021 is a wasteful number, since it uses less digits than its factorization.

1054025101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9552.

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 1054025101021 in words is "one trillion, fifty-four billion, twenty-five million, one hundred one thousand, twenty-one".