1054742381 has 16 divisors (see below), whose sum is σ = 1315800960. Its totient is φ = 821378880.

The previous prime is 1054742363. The next prime is 1054742389. The reversal of 1054742381 is 1832474501.

It is a de Polignac number, because none of the positive numbers 2^k-1054742381 is a prime.

It is a super-2 number, since 2×1054742381² = 2224962980555098322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054742389) 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, 171695 + ... + 177731.

It is an arithmetic number, because the mean of its divisors is an integer number (82237560).

Almost surely, 2^1054742381 is an apocalyptic number.

1054742381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1054742381 is a deficient number, since it is larger than the sum of its proper divisors (261058579).

1054742381 is a wasteful number, since it uses less digits than its factorization.

1054742381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8324.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1054742381 is about 32476.7975791949. The cubic root of 1054742381 is about 1017.9242616150.

The spelling of 1054742381 in words is "one billion, fifty-four million, seven hundred forty-two thousand, three hundred eighty-one".