1401011120 has 20 divisors (see below), whose sum is σ = 3257351040. Its totient is φ = 560404416.

The previous prime is 1401011107. The next prime is 1401011137. The reversal of 1401011120 is 211101041.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8756240 + ... + 8756399.

It is an arithmetic number, because the mean of its divisors is an integer number (162867552).

Almost surely, 2^1401011120 is an apocalyptic number.

1401011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401011120 is an abundant number, since it is smaller than the sum of its proper divisors (1856339920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401011120 is a wasteful number, since it uses less digits than its factorization.

1401011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17512652 (or 17512646 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1401011120 is about 37430.0830883395. The cubic root of 1401011120 is about 1118.9581936436.

Adding to 1401011120 its reverse (211101041), we get a palindrome (1612112161).

The spelling of 1401011120 in words is "one billion, four hundred one million, eleven thousand, one hundred twenty".