1054821740 has 24 divisors (see below), whose sum is σ = 2531572512. Its totient is φ = 361653120.

The previous prime is 1054821739. The next prime is 1054821743. The reversal of 1054821740 is 471284501.

It is a happy number.

It is a super-2 number, since 2×1054821740² = 2225297806353255200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054821697 and 1054821706.

It is not an unprimeable number, because it can be changed into a prime (1054821743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767081 + ... + 3767360.

It is an arithmetic number, because the mean of its divisors is an integer number (105482188).

Almost surely, 2^1054821740 is an apocalyptic number.

1054821740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054821740 is an abundant number, since it is smaller than the sum of its proper divisors (1476750772).

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

1054821740 is a wasteful number, since it uses less digits than its factorization.

1054821740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7534457 (or 7534455 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1054821740 is about 32478.0193361603. The cubic root of 1054821740 is about 1017.9497905742.

The spelling of 1054821740 in words is "one billion, fifty-four million, eight hundred twenty-one thousand, seven hundred forty".