1402004121 has 48 divisors (see below), whose sum is σ = 2235651264. Its totient is φ = 778813056.

The previous prime is 1402004119. The next prime is 1402004141. The reversal of 1402004121 is 1214002041.

It is not a de Polignac number, because 1402004121 - 2¹ = 1402004119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402004121.

It is not an unprimeable number, because it can be changed into a prime (1402004141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1851675 + ... + 1852431.

It is an arithmetic number, because the mean of its divisors is an integer number (46576068).

Almost surely, 2^1402004121 is an apocalyptic number.

It is an amenable number.

1402004121 is a deficient number, since it is larger than the sum of its proper divisors (833647143).

1402004121 is a wasteful number, since it uses less digits than its factorization.

1402004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1402004121 is about 37443.3454835435. The cubic root of 1402004121 is about 1119.2224942333. Note that the first 3 decimals are identical.

Adding to 1402004121 its reverse (1214002041), we get a palindrome (2616006162).

The spelling of 1402004121 in words is "one billion, four hundred two million, four thousand, one hundred twenty-one".