1334042021 has 32 divisors (see below), whose sum is σ = 1563528960. Its totient is φ = 1127960064.

The previous prime is 1334041997. The next prime is 1334042023. The reversal of 1334042021 is 1202404331.

It is a cyclic number.

It is not a de Polignac number, because 1334042021 - 2⁶ = 1334041957 is a prime.

It is a super-2 number, since 2×1334042021² = 3559336227587528882, which contains 22 as substring.

1334042021 is a modest number, since divided by 42021 gives 1334 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1334041984 and 1334042002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334042023) 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, 1187366 + ... + 1188488.

It is an arithmetic number, because the mean of its divisors is an integer number (48860280).

Almost surely, 2^1334042021 is an apocalyptic number.

It is an amenable number.

1334042021 is a deficient number, since it is larger than the sum of its proper divisors (229486939).

1334042021 is a wasteful number, since it uses less digits than its factorization.

1334042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1334042021 is about 36524.5399834139. The cubic root of 1334042021 is about 1100.8373846858.

Adding to 1334042021 its reverse (1202404331), we get a palindrome (2536446352).

The spelling of 1334042021 in words is "one billion, three hundred thirty-four million, forty-two thousand, twenty-one".