1400125450 has 12 divisors (see below), whose sum is σ = 2604233430. Its totient is φ = 560050160.

The previous prime is 1400125429. The next prime is 1400125459. The reversal of 1400125450 is 545210041.

It can be written as a sum of positive squares in 3 ways, for example, as 1092368601 + 307756849 = 33051^2 + 17543^2 .

It is not an unprimeable number, because it can be changed into a prime (1400125459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14001205 + ... + 14001304.

Almost surely, 2^1400125450 is an apocalyptic number.

1400125450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400125450 is a deficient number, since it is larger than the sum of its proper divisors (1204107980).

1400125450 is a wasteful number, since it uses less digits than its factorization.

1400125450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28002521 (or 28002516 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1400125450 is about 37418.2502263267. The cubic root of 1400125450 is about 1118.7223552567.

Adding to 1400125450 its reverse (545210041), we get a palindrome (1945335491).

The spelling of 1400125450 in words is "one billion, four hundred million, one hundred twenty-five thousand, four hundred fifty".