1400121041 has 4 divisors (see below), whose sum is σ = 1527404784. Its totient is φ = 1272837300.

The previous prime is 1400120993. The next prime is 1400121049. The reversal of 1400121041 is 1401210041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1400121041 - 2²² = 1395926737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400121049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63641855 + ... + 63641876.

It is an arithmetic number, because the mean of its divisors is an integer number (381851196).

Almost surely, 2^1400121041 is an apocalyptic number.

1400121041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1400121041 is a deficient number, since it is larger than the sum of its proper divisors (127283743).

1400121041 is a wasteful number, since it uses less digits than its factorization.

1400121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127283742.

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

The square root of 1400121041 is about 37418.1913111791. The cubic root of 1400121041 is about 1118.7211809686.

Adding to 1400121041 its reverse (1401210041), we get a palindrome (2801331082).

The spelling of 1400121041 in words is "one billion, four hundred million, one hundred twenty-one thousand, forty-one".