1021014401 has 16 divisors (see below), whose sum is σ = 1134302400. Its totient is φ = 911198400.

The previous prime is 1021014359. The next prime is 1021014479. The reversal of 1021014401 is 1044101201.

It is a cyclic number.

It is not a de Polignac number, because 1021014401 - 2¹⁰ = 1021013377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021014301) 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, 441035 + ... + 443343.

It is an arithmetic number, because the mean of its divisors is an integer number (70893900).

Almost surely, 2^1021014401 is an apocalyptic number.

1021014401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1021014401 is a deficient number, since it is larger than the sum of its proper divisors (113287999).

1021014401 is a wasteful number, since it uses less digits than its factorization.

1021014401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1021014401 is about 31953.3159625101. The cubic root of 1021014401 is about 1006.9562980456.

Adding to 1021014401 its reverse (1044101201), we get a palindrome (2065115602).

The spelling of 1021014401 in words is "one billion, twenty-one million, fourteen thousand, four hundred one".