1047997401 has 8 divisors (see below), whose sum is σ = 1524359904. Its totient is φ = 635149920.

The previous prime is 1047997373. The next prime is 1047997411.

1047997401 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1047997401 - 2¹⁰ = 1047996377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1047997411) 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, 15878716 + ... + 15878781.

It is an arithmetic number, because the mean of its divisors is an integer number (190544988).

Almost surely, 2^1047997401 is an apocalyptic number.

1047997401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1047997401 is a deficient number, since it is larger than the sum of its proper divisors (476362503).

1047997401 is a wasteful number, since it uses less digits than its factorization.

1047997401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31757511.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1047997401 is about 32372.7879707633. The cubic root of 1047997401 is about 1015.7497759516.

It can be divided in two parts, 10479 and 97401, that added together give a triangular number (107880 = T₄₆₄).

The spelling of 1047997401 in words is "one billion, forty-seven million, nine hundred ninety-seven thousand, four hundred one".