1054679890 has 32 divisors (see below), whose sum is σ = 2074320576. Its totient is φ = 382906560.

The previous prime is 1054679863. The next prime is 1054679891. The reversal of 1054679890 is 989764501.

It is a super-2 number, since 2×1054679890² = 2224699340740824200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054679891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64489 + ... + 79171.

It is an arithmetic number, because the mean of its divisors is an integer number (64822518).

Almost surely, 2^1054679890 is an apocalyptic number.

1054679890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1054679890 is a deficient number, since it is larger than the sum of its proper divisors (1019640686).

1054679890 is a wasteful number, since it uses less digits than its factorization.

1054679890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 1054679890 is about 32475.8354780905. The cubic root of 1054679890 is about 1017.9041580136.

The spelling of 1054679890 in words is "one billion, fifty-four million, six hundred seventy-nine thousand, eight hundred ninety".