1400422120 has 32 divisors (see below), whose sum is σ = 3186361800. Its totient is φ = 553873408.

The previous prime is 1400422109. The next prime is 1400422129. The reversal of 1400422120 is 212240041.

It can be written as a sum of positive squares in 4 ways, for example, as 1067067556 + 333354564 = 32666^2 + 18258^2 .

It is a super-2 number, since 2×1400422120² = 3922364228370588800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400422094 and 1400422103.

It is not an unprimeable number, because it can be changed into a prime (1400422129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193129 + ... + 200248.

Almost surely, 2^1400422120 is an apocalyptic number.

1400422120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400422120 is an abundant number, since it is smaller than the sum of its proper divisors (1785939680).

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

1400422120 is a wasteful number, since it uses less digits than its factorization.

1400422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393477 (or 393473 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1400422120 is about 37422.2142583787. The cubic root of 1400422120 is about 1118.8013643489.

Adding to 1400422120 its reverse (212240041), we get a palindrome (1612662161).

The spelling of 1400422120 in words is "one billion, four hundred million, four hundred twenty-two thousand, one hundred twenty".