1054344621 has 32 divisors (see below), whose sum is σ = 1559399040. Its totient is φ = 628300800.

The previous prime is 1054344611. The next prime is 1054344653. The reversal of 1054344621 is 1264434501.

It is not a de Polignac number, because 1054344621 - 2⁷ = 1054344493 is a prime.

It is a super-2 number, since 2×1054344621² = 2223285159663267282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054344611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1302865 + ... + 1303673.

It is an arithmetic number, because the mean of its divisors is an integer number (48731220).

Almost surely, 2^1054344621 is an apocalyptic number.

1054344621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1054344621 is a deficient number, since it is larger than the sum of its proper divisors (505054419).

1054344621 is a wasteful number, since it uses less digits than its factorization.

1054344621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1054344621 is about 32470.6732452532. The cubic root of 1054344621 is about 1017.7962870913.

The spelling of 1054344621 in words is "one billion, fifty-four million, three hundred forty-four thousand, six hundred twenty-one".